# 2018 United States House of Representatives elections

The 2018 United States House of Representatives elections were held on November 6, 2018, as part of the 2018 midterm elections during President Donald Trump's first term, with early voting taking place in some states in the weeks preceding that date. Voters chose representatives from all 435 congressional districts across each of the 50 U.S. states to serve in the 116th United States Congress. Non-voting delegates from the District of Columbia and four of the five inhabited U.S. territories were also elected. On Election Day, Republicans had held a House majority since January 2011.
In the 2018 elections, the Democrats, led by Nancy Pelosi, won control of the House. The Democrats gained a net total of 41 seats from the total number of seats they had won in the 2016 elections. The 41-seat gain was the Democrats' largest gain of House seats since the post-Watergate 1974 elections, when they picked up 49 seats. This was the first time since 1954 that Democrats flipped a chamber of Congress in a Republican president's first midterm. Democrats also won the popular vote by an 8.6% margin, the largest margin of victory for any party during a midterm election since 1986.
Upon the opening of the 116th Congress, Pelosi was elected as Speaker of the House. Incumbent Republican House Speaker Paul Ryan chose not to run for another term. In November 2018, House Republicans elected Kevin McCarthy as House Minority Leader.
The House Republicans' passage of the widely unpopular American Health Care Act of 2017 to repeal the Affordable Care Act, as well as opposition to Trump's policies, his low approval ratings, and questions about his personal stamina for office, are credited for the Democratic takeover of the House.
This marks the last time Democrats won any House seats in Oklahoma and Utah; the last time they won a majority of seats in Iowa and Minnesota; and the last time they won every seat based in New York City, Los Angeles County, and Orange County, California. As of 2025, this is the last time any party won at least 230 House seats.

## Results summary and analysis
### Federal

The Democratic Party won control of the House of Representatives in the 2018 midterm elections. The Democrats gained a net total of 41 seats from the total number of seats they had won in the 2016 elections. This was their largest gain of House seats in an election since the 1974 elections, when the Democrats gained 49 House seats. Democrats won the popular vote by more than 9.7 million votes, or 8.6%, the largest midterm margin for any party and the largest margin on record for a minority party.
According to the Associated Press' statistical analysis, gerrymandering cost the Democrats an additional sixteen House seats from Republicans.
Voter turnout in this election was 50.3%, the highest turnout in a U.S. midterm election since 1914.
Note that the results summary does not include blank and over/under votes which were included in the official results or votes cast in the voided election in North Carolina's 9th congressional district.
| 235 | 199 |
| Democratic | Republican |
| Parties | Parties | Seats | Seats | Seats | Seats | Popular vote | Popular vote | Popular vote |
| Parties | Parties | 2016 | 2018 | +/− | Strength | Vote | % | Change |
| | Democratic Party | 194 | 235 | 41 | 54.0% | 60,572,245 | 53.4% | +5.4% |
| | Republican Party | 241 | 199 | 42 | 45.7% | 50,861,970 | 44.8% | –4.3% |
| | Libertarian Party | — | — | — | — | 758,492 | 0.7% | –0.6% |
| | Independent | — | — | — | — | 569,502 | 0.5% | –0.2% |
| | Green Party | — | — | — | — | 247,231 | 0.2% | –0.2% |
| | Constitution Party | — | — | — | — | 59,972 | 0.1% | – |
| | Others | — | — | — | — | 343,577 | 0.3% | –0.1% |
| Totals | Totals | 435 | 435 | 0 | 100.0% | 113,412,989 | 100.0% | — |
| Source: Election Statistics – Office of the Clerk (see note above) |||||||||

### Per states

| State | Total seats | Democratic | Democratic | Republican | Republican |
| State | Total seats | Seats | Change | Seats | Change |
| Alabama | 7 | 1 | | 6 | |
| Alaska | 1 | 0 | | 1 | |
| Arizona | 9 | 5 | 1 | 4 | 1 |
| Arkansas | 4 | 0 | | 4 | |
| California | 53 | 46 | 7 | 7 | 7 |
| Colorado | 7 | 4 | 1 | 3 | 1 |
| Connecticut | 5 | 5 | | 0 | |
| Delaware | 1 | 1 | | 0 | |
| Florida | 27 | 13 | 2 | 14 | 2 |
| Georgia | 14 | 5 | 1 | 9 | 1 |
| Hawaii | 2 | 2 | | 0 | |
| Idaho | 2 | 0 | | 2 | |
| Illinois | 18 | 13 | 2 | 5 | 2 |
| Indiana | 9 | 2 | | 7 | |
| Iowa | 4 | 3 | 2 | 1 | 2 |
| Kansas | 4 | 1 | 1 | 3 | 1 |
| Kentucky | 6 | 1 | | 5 | |
| Louisiana | 6 | 1 | | 5 | |
| Maine | 2 | 2 | 1 | 0 | 1 |
| Maryland | 8 | 7 | | 1 | |
| Massachusetts | 9 | 9 | | 0 | |
| Michigan | 14 | 7 | 2 | 7 | 2 |
| Minnesota | 8 | 5 | | 3 | |
| Mississippi | 4 | 1 | | 3 | |
| Missouri | 8 | 2 | | 6 | |
| Montana | 1 | 0 | | 1 | |
| Nebraska | 3 | 0 | | 3 | |
| Nevada | 4 | 3 | | 1 | |
| New Hampshire | 2 | 2 | | 0 | |
| New Jersey | 12 | 11 | 4 | 1 | 4 |
| New Mexico | 3 | 3 | 1 | 0 | 1 |
| New York | 27 | 21 | 3 | 6 | 3 |
| North Carolina | 13 | 3 | | 9 | 1 |
| North Dakota | 1 | 0 | | 1 | |
| Ohio | 16 | 4 | | 12 | |
| Oklahoma | 5 | 1 | 1 | 4 | 1 |
| Oregon | 5 | 4 | | 1 | |
| Pennsylvania | 18 | 9 | 4 | 9 | 4 |
| Rhode Island | 2 | 2 | | 0 | |
| South Carolina | 7 | 2 | 1 | 5 | 1 |
| South Dakota | 1 | 0 | | 1 | |
| Tennessee | 9 | 2 | | 7 | |
| Texas | 36 | 13 | 2 | 23 | 2 |
| Utah | 4 | 1 | 1 | 3 | 1 |
| Vermont | 1 | 1 | | 0 | |
| Virginia | 11 | 7 | 3 | 4 | 3 |
| Washington | 10 | 7 | 1 | 3 | 1 |
| West Virginia | 3 | 0 | | 3 | |
| Wisconsin | 8 | 3 | | 5 | |
| Wyoming | 1 | 0 | | 1 | |
| Total | 435 | 235 | 41 | 199 | 42 |
Popular vote
Democratic
53.41%
Republican
44.85%
Libertarian
0.67%
Green
0.22%
Other
0.85% :
House seats
Democratic
54.0%
Republican
45.7% :

### Maps

* Cartogram of results:
* Popular vote by states
* House seats by party holding plurality in state
* Net changes to U.S. House seats after the 2018 elections +1 Dem House Seat +2 Dem House seats +3–4 Dem House seats +7 Dem House seats Both parties won 2 seats and lost 2 seats, no net change.
* Results shaded according to winning candidate's share of the vote

## Retirements

In the November general elections, 55 incumbents did not seek re-election, some of whom sought other elected office.

### Democrats

18 Democrats did not seek re-election.
* Arizona 9: Kyrsten Sinema retired to run for U.S. Senator.
* Colorado 2: Jared Polis retired to run for Governor of Colorado.
* Connecticut 5: Elizabeth Esty retired after involvement in sexual harassment allegations against an employee.
* Hawaii 1: Colleen Hanabusa retired to run for Governor of Hawaii.
* Illinois 4: Luis Gutiérrez retired.
* Maryland 6: John Delaney retired to run for U.S. President.
* Massachusetts 3: Niki Tsongas retired.
* Michigan 9: Sander Levin retired.
* Minnesota 1: Tim Walz retired to run for Governor of Minnesota.
* Minnesota 5: Keith Ellison retired to run for Minnesota Attorney General.
* Minnesota 8: Rick Nolan retired to run for Lieutenant Governor of Minnesota.
* Nevada 3: Jacky Rosen retired to run for U.S. Senator.
* Nevada 4: Rubén Kihuen retired due to sexual harassment allegations.
* New Hampshire 1: Carol Shea-Porter retired.
* New Mexico 1: Michelle Lujan Grisham retired to run for Governor of New Mexico.
* Pennsylvania 2: Bob Brady retired after being redistricted from the 1st district.
* Texas 16: Beto O'Rourke retired to run for U.S. Senator.
* Texas 29: Gene Green retired.

### Republicans

37 Republicans did not seek re-election.
* Arizona 2: Martha McSally retired to run for U.S. Senator.
* California 39: Ed Royce retired.
* California 49: Darrell Issa retired, nominated by President Donald Trump to be the Director of the United States Trade and Development Agency.
* Florida 6: Ron DeSantis retired to run for Governor of Florida.
* Florida 15: Dennis Ross retired.
* Florida 17: Tom Rooney retired.
* Florida 27: Ileana Ros-Lehtinen retired.
* Idaho 1: Raúl Labrador retired to run for Governor of Idaho.
* Indiana 4: Todd Rokita retired to run for U.S. Senator.
* Indiana 6: Luke Messer retired to run for U.S. Senator.
* Kansas 2: Lynn Jenkins retired.
* Michigan 11: Dave Trott retired.
* Mississippi 3: Gregg Harper retired.
* New Jersey 2: Frank LoBiondo retired "due to the increased political polarization of Congress."
* New Jersey 11: Rodney Frelinghuysen retired.
* New Mexico 2: Steve Pearce retired to run for Governor of New Mexico.
* North Dakota at-large: Kevin Cramer retired to run for U.S. Senator.
* Ohio 16: Jim Renacci retired to run for U.S. Senator.
* Oklahoma 1: Jim Bridenstine announced his retirement November 10, 2017. He resigned April 23, 2018, after being confirmed as Administrator of NASA; his replacement was seated November 6, 2018.
* Pennsylvania 6: Ryan Costello retired due to "family, the political environment and redistricting."
* Pennsylvania 9: Lou Barletta, redistricted from the 11th district, retired to run for U.S. Senator.
* Pennsylvania 13: Bill Shuster retired when redistricted from the 9th district.
* South Carolina 4: Trey Gowdy retired to "return to the justice system."
* South Dakota at-large: Kristi Noem retired to run for Governor of South Dakota.
* Tennessee 2: Jimmy Duncan retired.
* Tennessee 6: Diane Black retired to run for Governor of Tennessee.
* Tennessee 7: Marsha Blackburn retired to run for U.S. Senator.
* Texas 2: Ted Poe retired.
* Texas 3: Sam Johnson retired.
* Texas 5: Jeb Hensarling retired.
* Texas 6: Joe Barton retired.
* Texas 21: Lamar Smith retired.
* Virginia 5: Tom Garrett retired due to alcoholism.
* Virginia 6: Bob Goodlatte retired.
* Washington 8: Dave Reichert retired.
* West Virginia 3: Evan Jenkins retired to run for U.S. Senator and then resigned to become State Supreme Court Justice.
* Wisconsin 1: Paul Ryan retired.

## Vacancies during the 115th Congress that resulted in a special election
### Democrats

* New York 25: Louise Slaughter died on March 16, 2018.

### Republicans

* Arizona 8: Trent Franks resigned on December 8, 2017.
* Ohio 12: Pat Tiberi resigned on January 15, 2018.
* Pennsylvania 5: Pat Meehan resigned on April 27, 2018, after being redistricted from the 7th district.
* Pennsylvania 7: Charlie Dent resigned on May 12, 2018, after being redistricted to the 15th district.
* Texas 27: Blake Farenthold (R) announced his retirement December 14, 2017. He resigned on April 6, 2018.
* Utah 3: Jason Chaffetz (R) announced his retirement April 19, 2017. He resigned on June 30, 2017.

## Incumbents defeated
### In primary elections
#### Democrats

Three Democrats (including one non-voting delegate) lost renomination.
* Guam at-large: Delegate Madeleine Bordallo lost renomination to Michael San Nicolas, who went on to win the general election.
* Massachusetts 7: Mike Capuano lost renomination to Ayanna Pressley, who went on to win the general election.
* New York 14: Joe Crowley lost renomination to Alexandria Ocasio-Cortez, who went on to win the general election.

#### Republicans

Two Republicans lost renomination.
* North Carolina 9: Robert Pittenger lost renomination to Mark Harris. A new special election was ordered due to electoral fraud conducted by associates of Republican Harris's campaign.
* South Carolina 1: Mark Sanford lost renomination to Katie Arrington, who lost the general election to Joe Cunningham (D).

### In the general election
#### Democrats

No Democrats lost re-election to Republicans.

#### Republicans

Thirty Republicans lost re-election to Democrats.
* California 10: Jeff Denham (first elected in 2010) lost to Josh Harder.
* California 21: David Valadao (first elected in 2012) lost to TJ Cox.
* California 25: Steve Knight (first elected in 2014) lost to Katie Hill.
* California 45: Mimi Walters (first elected in 2014) lost to Katie Porter.
* California 48: Dana Rohrabacher (first elected in 1988) lost to Harley Rouda.
* Colorado 6: Mike Coffman (first elected in 2008) lost to Jason Crow.
* Florida 26: Carlos Curbelo (first elected in 2014) lost to Debbie Mucarsel-Powell.
* Georgia 6: Karen Handel (first elected in 2017) lost to Lucy McBath.
* Illinois 6: Peter Roskam (first elected in 2006) lost to Sean Casten.
* Illinois 14: Randy Hultgren (first elected in 2010) lost to Lauren Underwood.
* Iowa 1: Rod Blum (first elected in 2014) lost to Abby Finkenauer.
* Iowa 3: David Young (first elected in 2014) lost to Cindy Axne.
* Kansas 3: Kevin Yoder (first elected in 2010) lost to Sharice Davids.
* Maine 2: Bruce Poliquin (first elected in 2014) lost to Jared Golden.
* Michigan 8: Mike Bishop (first elected in 2014) lost to Elissa Slotkin.
* Minnesota 2: Jason Lewis (first elected in 2016) lost to Angie Craig.
* Minnesota 3: Erik Paulsen (first elected in 2008) lost to Dean Phillips.
* New Jersey 3: Tom MacArthur (first elected in 2014) lost to Andy Kim.
* New Jersey 7: Leonard Lance (first elected in 2008) lost to Tom Malinowski.
* New York 11: Dan Donovan (first elected in 2015) lost to Max Rose.
* New York 19: John Faso (first elected in 2016) lost to Antonio Delgado.
* New York 22: Claudia Tenney (first elected in 2016) lost to Anthony Brindisi.
* Oklahoma 5: Steve Russell (first elected in 2014) lost to Kendra Horn.
* Pennsylvania 17: Keith Rothfus (first elected in 2012) lost a redistricting race to Conor Lamb.
* Texas 7: John Culberson (first elected in 2000) lost to Lizzie Fletcher.
* Texas 32: Pete Sessions (first elected in 1996) lost to Colin Allred.
* Utah 4: Mia Love (first elected in 2014) lost to Ben McAdams.
* Virginia 2: Scott Taylor (first elected in 2016) lost to Elaine Luria.
* Virginia 7: Dave Brat (first elected in 2014) lost to Abigail Spanberger.
* Virginia 10: Barbara Comstock (first elected in 2014) lost to Jennifer Wexton.

## Open seats that changed parties
### Democratic seats won by Republicans

Three open Democratic seats were won by Republicans.
* Minnesota 1: won by Jim Hagedorn.
* Minnesota 8: won by Pete Stauber.
* Pennsylvania 14: Conor Lamb instead ran in the 17th district; won by Guy Reschenthaler.

### Republican seats won by Democrats

Thirteen open Republican seats were won by Democrats.
* Arizona 2: won by Ann Kirkpatrick.
* California 39: won by Gil Cisneros.
* California 49: won by Mike Levin.
* Florida 27: won by Donna Shalala.
* Michigan 11: won by Haley Stevens.
* New Jersey 2: won by Jeff Van Drew, who later became a Republican on December 19, 2019.
* New Jersey 11: won by Mikie Sherrill.
* New Mexico 2: won by Xochitl Torres Small.
* Pennsylvania 5: won by Mary Gay Scanlon.
* Pennsylvania 6: won by Chrissy Houlahan.
* Pennsylvania 7: won by Susan Wild.
* South Carolina 1: won by Joe Cunningham.
* Washington 8: won by Kim Schrier.

## Vacancies during the 115th Congress that did not result in a special election

3 Republicans, all of whom already announced their retirement, resigned early.
* Florida 6: Ron DeSantis resigned on September 10, 2018, retroactive to September 1, to focus on his campaign for Governor of Florida. This seat was then left vacant until the 116th Congress was sworn in on January 3, 2019.
* Oklahoma 1: Jim Bridenstine resigned on April 23, 2018, to become head of NASA. This seat was then left vacant until Kevin Hern was sworn in early on November 13, 2018, having won the regularly scheduled November 6, 2018 election for the next full term.
* West Virginia 3: Evan Jenkins announced his retirement May 8, 2017, to run for U.S. Senator. He lost the nomination and then resigned September 30, 2018, when appointed to the Supreme Court of Appeals of West Virginia. This seat was then left vacant until the 116th Congress was sworn in on January 3, 2019.

## Closest races

Eighty-nine races were decided by 10% or lower.
| District | Winner | Margin |
| Georgia 7th | Republican | 0.15% |
| Utah 4th | Democratic (flip) | 0.26% |
| North Carolina 9th | Republican | 0.32% |
| New York 27th | Republican | 0.38% |
| Texas 23rd | Republican | 0.43% |
| Minnesota 1st | Republican (flip) | 0.45% |
| California 21st | Democratic (flip) | 0.74% |
| Illinois 13th | Republican | 0.76% |
| Kansas 2nd | Republican | 0.85% |
| Georgia 6th | Democratic (flip) | 1.03% |
| Maine 2nd | Democratic (flip) | 1.24% |
| New Jersey 3rd | Democratic (flip) | 1.29% |
| South Carolina 1st | Democratic (flip) | 1.39% |
| Oklahoma 5th | Democratic (flip) | 1.40% |
| Florida 26th | Democratic (flip) | 1.75% |
| New York 22nd | Democratic (flip) | 1.78% |
| New Mexico 2nd | Democratic (flip) | 1.87% |
| Virginia 7th | Democratic (flip) | 1.94% |
| Nebraska 2nd | Republican | 1.99% |
| Iowa 3rd | Democratic (flip) | 2.16% |
| Virginia 2nd | Democratic (flip) | 2.24% |
| Pennsylvania 1st | Republican | 2.52% |
| Pennsylvania 10th | Republican | 2.64% |
| Texas 21st | Republican | 2.82% |
| Texas 31st | Republican | 3.00% |
| California 39th | Democratic (flip) | 3.11% |
| Texas 24th | Republican | 3.21% |
| Kentucky 6th | Republican | 3.21% |
| Iowa 4th | Republican | 3.33% |
| California 50th | Republican | 3.48% |
| Michigan 8th | Democratic (flip) | 3.83% |
| Missouri 2nd | Republican | 3.95% |
| New York 1st | Republican | 4.09% |
| California 45th | Democratic (flip) | 4.10% |
| Ohio 12th | Republican | 4.16% |
| Minnesota 7th | Democratic | 4.26% |
| Texas 10th | Republican | 4.27% |
| Pennsylvania 16th | Republican | 4.28% |
| California 10th | Democratic (flip) | 4.49% |
| Michigan 6th | Republican | 4.55% |
| Montana at-large | Republican | 4.63% |
| Washington 8th | Democratic (flip) | 4.83% |
| Texas 22nd | Republican | 4.98% |
| Illinois 14th | Democratic (flip) | 5.00% |
| New Jersey 7th | Democratic (flip) | 5.02% |
| Iowa 1st | Democratic (flip) | 5.06% |
| Texas 7th | Democratic (flip) | 5.06% |
| New York 19th | Democratic (flip) | 5.21% |
| New York 24th | Republican | 5.26% |
| Ohio 1st | Republican | 5.36% |
| California 22nd | Republican | 5.44% |
| North Carolina 2nd | Republican | 5.45% |
| Minnesota 2nd | Democratic (flip) | 5.50% |
| Minnesota 8th | Republican (flip) | 5.54% |
| Washington 3rd | Republican | 5.66% |
| North Carolina 13th | Republican | 6.00% |
| Florida 27th | Democratic (flip) | 6.00% |
| Florida 15th | Republican | 6.04% |
| Illinois 12th | Republican | 6.18% |
| New York 2nd | Republican | 6.22% |
| Arkansas 2nd | Republican | 6.31% |
| New York 11th | Democratic (flip) | 6.45% |
| Texas 32nd | Democratic (flip) | 6.50% |
| Virginia 5th | Republican | 6.53% |
| Alaska at-large | Republican | 6.58% |
| Michigan 11th | Democratic (flip) | 6.67% |
| California 48th | Democratic (flip) | 7.10% |
| Illinois 6th | Democratic (flip) | 7.15% |
| Texas 2nd | Republican | 7.29% |
| Michigan 7th | Republican | 7.61% |
| Texas 6th | Republican | 7.66% |
| New Jersey 2nd | Democratic (flip) | 7.67% |
| Arizona 1st | Democratic | 7.69% |
| Colorado 3rd | Republican | 7.97% |
| Nevada 4th | Democratic | 8.18% |
| California 4th | Republican | 8.26% |
| New York 23rd | Republican | 8.49% |
| New Hampshire 1st | Democratic | 8.55% |
| Florida 18th | Republican | 8.60% |
| California 25th | Democratic (flip) | 8.73% |
| Texas 25th | Republican | 8.75% |
| Nevada 3rd | Democratic | 9.06% |
| Florida 16th | Republican | 9.12% |
| Pennsylvania 8th | Democratic | 9.29% |
| Arizona 2nd | Democratic (flip) | 9.49% |
| Kansas 3rd | Democratic (flip) | 9.66% |
| Indiana 2nd | Republican | 9.67% |
| California 1st | Republican | 9.77% |
| Washington 5th | Republican | 9.86% |

## Special elections

Elections ordered by election date.
| District | Incumbent | Incumbent | Incumbent | This race | This race |
| District | Member | Party | First elected | Results | Candidates |
| Pennsylvania 18 | Tim Murphy | Republican | 2002 | Incumbent resigned October 21, 2017. New member elected March 13, 2018. Democratic gain. | ▌Y Conor Lamb (Democratic) 49.9% ▌Rick Saccone (Republican) 49.5% |
| Arizona 8 | Trent Franks | Republican | 2002 | Incumbent resigned December 8, 2017. New member elected April 24, 2018. Republican hold. | ▌Y Debbie Lesko (Republican) 52.4% ▌Hiral Tipirneni (Democratic) 47.6% |
| Texas 27 | Blake Farenthold | Republican | 2010 | Incumbent resigned April 6, 2018. New member elected June 30, 2018. Republican hold. | ▌Y Michael Cloud (Republican) 54.7% ▌Eric Holguin (Democratic) 32.0% ▌Roy Barrera (Democratic) 4.8% ▌Bech Bruun (Republican) 4.3% ▌Mike Westergren (Democratic) 2.4% |
| Ohio 12 | Pat Tiberi | Republican | 2000 | Incumbent resigned January 15, 2018. New member elected August 7, 2018. Republican hold. | ▌Y Troy Balderson (Republican) 50.1% ▌Danny O'Connor (Democratic) 49.3% |
| Michigan 13 | John Conyers | Democratic | 1964 | Incumbent resigned December 5, 2017. New member elected November 6, 2018. Democratic hold. | ▌Y Brenda Jones (Democratic) 86.9% ▌Marc Sosnowski (Taxpayers) 8.9% ▌D. Etta Wilcoxon (Green) 4.3% |
| New York 25 | Louise Slaughter | Democratic | 1986 | Incumbent died March 16, 2018. New member elected November 6, 2018. Democratic hold. | ▌Y Joseph Morelle (Democratic) 58.3% ▌Jim Maxwell (Republican) 41.7% |
| Pennsylvania 7 | Pat Meehan | Republican | 2010 | Incumbent resigned April 27, 2018. New member elected November 6, 2018. Democratic gain. | ▌Y Mary Gay Scanlon (Democratic) 52.3% ▌Pearl Kim (Republican) 46.0% ▌Sandra Teresa Salas (Libertarian) 1.0% |
| Pennsylvania 15 | Charlie Dent | Republican | 2004 | Incumbent resigned May 12, 2018. New member elected November 6, 2018. Democratic gain. | ▌Y Susan Wild (Democratic) 48.5% ▌Marty Nothstein (Republican) 48.3% ▌Tim Silfies (Libertarian) 3.2% |

## Exit poll

| Response category | DEM | GOP | % of total vote |
| Total vote | 53 | 45 | 100 |
| Ideology ||||
| Liberals | 91 | 8 | 27 |
| Moderates | 62 | 36 | 37 |
| Conservatives | 16 | 83 | 36 |
| Party ||||
| Democrats | 95 | 4 | 37 |
| Republicans | 6 | 94 | 33 |
| Independents | 54 | 42 | 30 |
| Party by gender ||||
| Democratic men | 94 | 5 | 14 |
| Democratic women | 96 | 3 | 23 |
| Republican men | 6 | 94 | 17 |
| Republican women | 6 | 93 | 16 |
| Independent men | 51 | 44 | 16 |
| Independent women | 57 | 39 | 13 |
| Gender ||||
| Men | 47 | 51 | 48 |
| Women | 59 | 40 | 52 |
| Marital status ||||
| Married | 51 | 48 | 59 |
| Unmarried | 61 | 37 | 41 |
| Gender by marital status ||||
| Married men | 48 | 51 | 30 |
| Married women | 55 | 44 | 29 |
| Non-married men | 54 | 44 | 18 |
| Non-married women | 66 | 32 | 23 |
| Race/ethnicity ||||
| White | 44 | 54 | 72 |
| Black | 90 | 9 | 11 |
| Asian | 77 | 23 | 3 |
| Other | 54 | 42 | 3 |
| Hispanic (of any race) | 69 | 29 | 11 |
| Gender by race/ethnicity ||||
| White men | 39 | 60 | 35 |
| White women | 49 | 49 | 37 |
| Black men | 88 | 12 | 5 |
| Black women | 92 | 7 | 6 |
| Latino men (of any race) | 63 | 34 | 5 |
| Latino women (of any race) | 73 | 26 | 6 |
| All other races | 66 | 32 | 6 |
| Religion ||||
| Protestant/Other Christian | 42 | 56 | 47 |
| Catholic | 50 | 49 | 26 |
| Jewish | 81 | 17 | 2 |
| Other religion | 73 | 25 | 8 |
| None | 70 | 28 | 17 |
| Religious service attendance ||||
| Weekly or more | 40 | 58 | 32 |
| A few times a month | 52 | 46 | 13 |
| A few times a year | 61 | 37 | 27 |
| Never | 68 | 30 | 27 |
| White evangelical or born-again Christian ||||
| White evangelical or born-again Christian | 22 | 75 | 26 |
| Everyone else | 66 | 32 | 74 |
| Age ||||
| 18–24 years old | 68 | 31 | 7 |
| 25–29 years old | 66 | 33 | 6 |
| 30–39 years old | 59 | 38 | 15 |
| 40–49 years old | 52 | 46 | 16 |
| 50–64 years old | 49 | 50 | 30 |
| 65 and older | 48 | 50 | 26 |
| Age by race ||||
| Whites 18–29 years old | 56 | 43 | 8 |
| Whites 30–44 years old | 48 | 48 | 15 |
| Whites 45–64 years old | 40 | 59 | 29 |
| Whites 65 and older | 43 | 56 | 22 |
| Blacks 18–29 years old | 92 | 7 | 2 |
| Blacks 30–44 years old | 92 | 7 | 3 |
| Blacks 45–64 years old | 88 | 11 | 5 |
| Blacks 65 and older | 88 | 11 | 2 |
| Latinos 18–29 years old | 81 | 17 | 2 |
| Latinos 30–44 years old | 74 | 25 | 2 |
| Latinos 45–64 years old | 63 | 35 | 3 |
| Latinos 65 and older | 71 | 25 | 2 |
| Others | 65 | 33 | 6 |
| LGBT ||||
| Yes | 82 | 17 | 6 |
| No | 51 | 47 | 94 |
| Education ||||
| High school graduate/dropout | 48 | 51 | 23 |
| Some college education | 52 | 47 | 25 |
| Associate degree | 47 | 50 | 11 |
| Bachelor's degree | 55 | 43 | 24 |
| Postgraduate education | 65 | 34 | 17 |
| Education by race/ethnicity ||||
| White college graduates | 53 | 45 | 31 |
| White no college degree | 37 | 61 | 41 |
| Non-white college graduates | 77 | 22 | 10 |
| Non-white no college degree | 76 | 22 | 18 |
| Whites by education and gender ||||
| White women with college degrees | 59 | 39 | 16 |
| White men with college degrees | 47 | 51 | 15 |
| White women without college degrees | 42 | 56 | 21 |
| White men without college degrees | 32 | 66 | 20 |
| Non-whites | 76 | 22 | 28 |
| Family income ||||
| Under $30,000 | 63 | 34 | 17 |
| $30,000–49,999 | 57 | 41 | 21 |
| $50,000–99,999 | 52 | 47 | 29 |
| $100,000–199,999 | 47 | 51 | 25 |
| Over $200,000 | 47 | 52 | 9 |
| Military service ||||
| Veterans | 41 | 58 | 14 |
| Non-veterans | 56 | 43 | 86 |
| Community size ||||
| Urban | 66 | 33 | 32 |
| Suburban | 49 | 49 | 51 |
| Rural | 42 | 56 | 17 |
| Trump approval rating ||||
| Strongly disapprove | 95 | 4 | 46 |
| Somewhat disapprove | 63 | 34 | 8 |
| Somewhat approve | 24 | 74 | 14 |
| Strongly approve | 5 | 94 | 31 |
| Decided on U.S. House vote ||||
| Last few days | 53 | 41 | 8 |
| Last week | 49 | 48 | 8 |
| Last month | 51 | 46 | 19 |
| Earlier than that | 52 | 47 | 63 |
| Direction of the country ||||
| Wrong track | 85 | 13 | 54 |
| Right direction | 13 | 86 | 42 |
| Do you think Americans are politically ||||
| Becoming more divided | 60 | 39 | 76 |
| Staying about the same | 32 | 66 | 9 |
| Becoming more united | 28 | 70 | 9 |
| Issue regarded as most important ||||
| Health care | 75 | 23 | 41 |
| Immigration | 23 | 75 | 23 |
| Economy | 34 | 63 | 22 |
| Gun policy | 70 | 29 | 10 |
| Health care in the U.S. needs ||||
| Major changes | 55 | 43 | 69 |
| Minor changes | 41 | 57 | 24 |
| No changes | 40 | 60 | 4 |
| Who would better protect pre-existing conditions ||||
| Democrats | 89 | 9 | 57 |
| Republicans | 4 | 94 | 35 |
| Are Donald Trump's immigration policies ||||
| Too tough | 90 | 8 | 46 |
| About right | 13 | 85 | 33 |
| Not tough enough | 14 | 86 | 17 |
| Condition of the nation's economy ||||
| Excellent | 12 | 87 | 17 |
| Good | 47 | 51 | 51 |
| Not so good | 83 | 15 | 23 |
| Poor | 85 | 8 | 7 |
| Family's financial situation today ||||
| Better than two years ago | 21 | 77 | 36 |
| About the same | 69 | 29 | 49 |
| Worse than two years ago | 80 | 18 | 14 |
| Effect of Trump's trade policies on local economy ||||
| Helped | 9 | 91 | 25 |
| Hurt | 89 | 8 | 29 |
| Had no impact | 53 | 45 | 37 |
| Effect of new tax laws on your personal finances ||||
| Helped | 15 | 84 | 29 |
| Hurt | 83 | 15 | 22 |
| Had no impact | 62 | 36 | 45 |
| Does anyone in household own a gun ||||
| Yes | 36 | 61 | 46 |
| No | 72 | 26 | 53 |
| Views on stricter gun control measures ||||
| Support | 76 | 22 | 59 |
| Oppose | 22 | 76 | 37 |
| View of the Russia investigation ||||
| Politically motivated | 25 | 73 | 54 |
| Mostly justified | 85 | 14 | 41 |
| View of Mueller's handling of Russia investigation ||||
| Approve | 79 | 19 | 41 |
| Disapprove | 28 | 71 | 46 |
| Has the government done enough to protect the election ||||
| Yes | 27 | 71 | 38 |
| No | 75 | 24 | 50 |
| Does Trump's foreign policy make the U.S. ||||
| Safer | 8 | 91 | 38 |
| Less safe | 90 | 9 | 46 |
| No difference | 60 | 38 | 13 |
| View of Kavanaugh's Supreme Court appointment ||||
| Support | 12 | 87 | 43 |
| Oppose | 90 | 9 | 47 |
| How should the Supreme Court handle Roe v. Wade ||||
| Keep as is | 69 | 30 | 66 |
| Overturn it | 21 | 79 | 25 |
| Sexual harassment in this country today is ||||
| A very serious problem | 72 | 26 | 46 |
| Somewhat serious problem | 48 | 50 | 38 |
| Not too serious a problem | 20 | 79 | 11 |
| Not a serious problem | N/A | N/A | 3 |
| In the U.S. today ||||
| Whites are favored | 87 | 9 | 41 |
| Minorities are favored | 12 | 85 | 19 |
| No group is favored | 29 | 69 | 33 |
| In your vote today, was recent extremist violence ||||
| The most important factor | 62 | 37 | 23 |
| An important factor | 51 | 48 | 51 |
| A minor factor | 38 | 60 | 9 |
| Not a factor at all | 36 | 61 | 9 |
| Importance of electing racial/ethnic minorities ||||
| Very important | 79 | 20 | 43 |
| Somewhat important | 44 | 55 | 29 |
| Not too important | 20 | 79 | 10 |
| Not at all important | 12 | 84 | 18 |
| Importance of electing more women to public office ||||
| Very important | 82 | 17 | 45 |
| Somewhat important | 45 | 52 | 33 |
| Not too important | 17 | 80 | 12 |
| Not at all important | 8 | 90 | 8 |
| The greater concern is that some people will ||||
| Be prevented from voting | 80 | 18 | 53 |
| Cast illegitimate votes | 21 | 78 | 36 |
Source: Edison Research exit poll for the National Election Pool

## Election dates

For the regularly scheduled November elections.
| State/Territory | Filing deadline | Primary election | Primary runoff (if necessary) | General election | Poll closing (Eastern Time) |
| Alabama | February 9, 2018 | June 5, 2018 | July 17, 2018 | November 6, 2018 | 8pm |
| Alaska | June 1, 2018 | August 21, 2018 | N/A | November 6, 2018 | Midnight & 1am |
| American Samoa | September 1, 2018 | N/A | N/A | November 6, 2018 | 12am |
| Arizona | May 30, 2018 | August 28, 2018 | N/A | November 6, 2018 | 9pm |
| Arkansas | March 1, 2018 | May 22, 2018 | June 19, 2018 | November 6, 2018 | 8:30pm |
| California | March 9, 2018 | June 5, 2018 | N/A | November 6, 2018 | 11pm |
| Colorado | March 20, 2018 | June 26, 2018 | N/A | November 6, 2018 | 9pm |
| Connecticut | June 12, 2018 | August 14, 2018 | N/A | November 6, 2018 | 8pm |
| Delaware | July 10, 2018 | September 6, 2018 | N/A | November 6, 2018 | 8pm |
| District of Columbia | March 21, 2018 | June 19, 2018 | N/A | November 6, 2018 | 8pm |
| Florida | May 4, 2018 | August 28, 2018 | N/A | November 6, 2018 | 7pm & 8pm |
| Georgia | March 9, 2018 | May 22, 2018 | July 24, 2018 | November 6, 2018 | 7pm |
| Guam | June 26, 2018 | August 25, 2018 | N/A | November 6, 2018 | 5am |
| Hawaii | June 5, 2018 | August 11, 2018 | N/A | November 6, 2018 | 11pm |
| Idaho | March 9, 2018 | May 15, 2018 | N/A | November 6, 2018 | 10pm & 11pm |
| Illinois | December 4, 2017 | March 20, 2018 | N/A | November 6, 2018 | 8pm |
| Indiana | February 9, 2018 | May 8, 2018 | N/A | November 6, 2018 | 6pm & 7pm |
| Iowa | March 16, 2018 | June 5, 2018 | N/A | November 6, 2018 | 10pm |
| Kansas | June 1, 2018 | August 7, 2018 | N/A | November 6, 2018 | 8pm & 9pm |
| Kentucky | January 30, 2018 | May 22, 2018 | N/A | November 6, 2018 | 6pm & 7pm |
| Louisiana | July 20, 2018 | November 6, 2018 | N/A | December 8, 2018 | 9pm |
| Maine | March 15, 2018 | June 12, 2018 | N/A | November 6, 2018 | 8pm |
| Maryland | February 27, 2018 | June 26, 2018 | N/A | November 6, 2018 | 8pm |
| Massachusetts | June 5, 2018 | September 4, 2018 | N/A | November 6, 2018 | 8pm |
| Michigan | April 24, 2018 | August 7, 2018 | N/A | November 6, 2018 | 8pm & 9pm |
| Minnesota | June 5, 2018 | August 14, 2018 | N/A | November 6, 2018 | 9pm |
| Mississippi | March 1, 2018 | June 5, 2018 | June 26, 2018 | November 6, 2018 | 8pm |
| Missouri | March 27, 2018 | August 7, 2018 | N/A | November 6, 2018 | 8pm |
| Montana | March 12, 2018 | June 5, 2018 | N/A | November 6, 2018 | 10pm |
| Nebraska | March 1, 2018 | May 15, 2018 | N/A | November 6, 2018 | 9pm |
| Nevada | March 16, 2018 | June 12, 2018 | N/A | November 6, 2018 | 10pm |
| New Hampshire | June 15, 2018 | September 11, 2018 | N/A | November 6, 2018 | 8pm |
| New Jersey | April 2, 2018 | June 5, 2018 | N/A | November 6, 2018 | 8pm |
| New Mexico | March 13, 2018 | June 5, 2018 | N/A | November 6, 2018 | 9pm |
| New York | April 12, 2018 | June 26, 2018 | N/A | November 6, 2018 | 9pm |
| North Carolina | February 28, 2018 | May 8, 2018 | July 17, 2018 | November 6, 2018 | 7:30pm |
| North Dakota | April 9, 2018 | June 12, 2018 | N/A | November 6, 2018 | 10pm & 11pm |
| Northern Mariana Islands | August 8, 2018 | N/A | N/A | November 13, 2018 | 4am |
| Ohio | February 7, 2018 | May 8, 2018 | N/A | November 6, 2018 | 7:30pm |
| Oklahoma | April 13, 2018 | June 26, 2018 | August 28, 2018 | November 6, 2018 | 8pm |
| Oregon | March 6, 2018 | May 15, 2018 | N/A | November 6, 2018 | 10pm & 11pm |
| Pennsylvania | March 20, 2018 | May 15, 2018 | N/A | November 6, 2018 | 8pm |
| Rhode Island | June 27, 2018 | September 12, 2018 | N/A | November 6, 2018 | 8pm |
| South Carolina | March 30, 2018 | June 12, 2018 | June 26, 2018 | November 6, 2018 | 7pm |
| South Dakota | March 27, 2018 | June 5, 2018 | August 14, 2018 | November 6, 2018 | 8pm & 9pm |
| Tennessee | April 5, 2018 | August 2, 2018 | N/A | November 6, 2018 | 8pm |
| Texas | December 11, 2017 | March 6, 2018 | May 22, 2018 | November 6, 2018 | 8pm & 9pm |
| United States Virgin Islands | May 8, 2018 | August 4, 2018 | N/A | November 6, 2018 | 6pm |
| Utah | March 15, 2018 | June 26, 2018 | N/A | November 6, 2018 | 10pm |
| Vermont | May 31, 2018 | August 14, 2018 | N/A | November 6, 2018 | 7pm |
| Virginia | March 29, 2018 | June 12, 2018 | N/A | November 6, 2018 | 7pm |
| Washington | May 18, 2018 | August 7, 2018 | N/A | November 6, 2018 | 11pm |
| West Virginia | January 27, 2018 | May 8, 2018 | N/A | November 6, 2018 | 7:30pm |
| Wisconsin | June 1, 2018 | August 14, 2018 | N/A | November 6, 2018 | 9pm |
| Wyoming | June 1, 2018 | August 21, 2018 | N/A | November 6, 2018 | 9pm |

## Alabama

The state congressional delegation remained the same, at 6–1 for Republicans.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Alabama 1 | R+15 | Bradley Byrne | Republican | 2013 (special) | Incumbent re-elected. | ▌Y Bradley Byrne (Republican) 63.2% ▌Robert Kennedy Jr. (Democratic) 36.8% |
| Alabama 2 | R+16 | Martha Roby | Republican | 2010 | Incumbent re-elected. | ▌Y Martha Roby (Republican) 61.5% ▌Tabitha Isner (Democratic) 38.5% |
| Alabama 3 | R+16 | Mike D. Rogers | Republican | 2002 | Incumbent re-elected. | ▌Y Mike D. Rogers (Republican) 63.8% ▌Mallory Hagan (Democratic) 36.2% |
| Alabama 4 | R+30 | Robert Aderholt | Republican | 1996 | Incumbent re-elected. | ▌Y Robert Aderholt (Republican) 79.9% ▌Lee Auman (Democratic) 20.1% |
| Alabama 5 | R+18 | Mo Brooks | Republican | 2010 | Incumbent re-elected. | ▌Y Mo Brooks (Republican) 61.1% ▌Peter Joffrion (Democratic) 38.9% |
| Alabama 6 | R+26 | Gary Palmer | Republican | 2014 | Incumbent re-elected. | ▌Y Gary Palmer (Republican) 69.2% ▌Danner Kline (Democratic) 30.8% |
| Alabama 7 | D+20 | Terri Sewell | Democratic | 2010 | Incumbent re-elected. | ▌Y Terri Sewell (Democratic) Unopposed |

## Alaska

Republicans maintained control of the sole seat in the state.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Alaska at-large | R+9 | Don Young | Republican | 1973 (special) | Incumbent re-elected. | ▌Y Don Young (Republican) 53.3% ▌Alyse Galvin (Undeclared/Democratic) 46.7% |

## Arizona

The state congressional delegation flipped from a 5–4 Republican majority to a 5–4 Democratic majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Arizona 1 | R+2 | Tom O'Halleran | Democratic | 2016 | Incumbent re-elected. | ▌Y Tom O'Halleran (Democratic) 53.8% ▌Wendy Rogers (Republican) 46.2% |
| Arizona 2 | R+1 | Martha McSally | Republican | 2014 | Incumbent retired to run for U.S. Senator. Democratic gain. | ▌Y Ann Kirkpatrick (Democratic) 54.7% ▌Lea Marquez Peterson (Republican) 45.3% |
| Arizona 3 | D+13 | Raúl Grijalva | Democratic | 2002 | Incumbent re-elected. | ▌Y Raúl Grijalva (Democratic) 63.9% ▌Nick Pierson (Republican) 36.1% |
| Arizona 4 | R+21 | Paul Gosar | Republican | 2010 | Incumbent re-elected. | ▌Y Paul Gosar (Republican) 68.2% ▌David Brill (Democratic) 30.5% ▌Haryaksha Gregor Knauer (Green) 1.3% |
| Arizona 5 | R+15 | Andy Biggs | Republican | 2016 | Incumbent re-elected. | ▌Y Andy Biggs (Republican) 59.4% ▌Joan Greene (Democratic) 40.6% |
| Arizona 6 | R+9 | David Schweikert | Republican | 2010 | Incumbent re-elected. | ▌Y David Schweikert (Republican) 55.2% ▌Anita Malik (Democratic) 44.8% |
| Arizona 7 | D+23 | Ruben Gallego | Democratic | 2014 | Incumbent re-elected. | ▌Y Ruben Gallego (Democratic) 85.8% ▌Gary Swing (Green) 14.2% |
| Arizona 8 | R+13 | Debbie Lesko | Republican | 2018 (special) | Incumbent re-elected. | ▌Y Debbie Lesko (Republican) 55.5% ▌Hiral Tipirneni (Democratic) 44.5% |
| Arizona 9 | D+4 | Kyrsten Sinema | Democratic | 2012 | Incumbent retired to run for U.S. Senator. Democratic hold. | ▌Y Greg Stanton (Democratic) 61.1% ▌Steve Ferrara (Republican) 38.9% |

## Arkansas

The state congressional delegation remained the same with a 4–0 Republican majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Arkansas 1 | R+17 | Rick Crawford | Republican | 2010 | Incumbent re-elected. | ▌Y Rick Crawford (Republican) 68.9% ▌Chintan Desai (Democratic) 28.8% ▌Elvis Presley (Libertarian) 2.3% |
| Arkansas 2 | R+7 | French Hill | Republican | 2014 | Incumbent re-elected. | ▌Y French Hill (Republican) 52.1% ▌Clarke Tucker (Democratic) 45.8% ▌Joe Ryne Swafford (Libertarian) 2.0% |
| Arkansas 3 | R+19 | Steve Womack | Republican | 2010 | Incumbent re-elected. | ▌Y Steve Womack (Republican) 64.8% ▌Josh Mahony (Democratic) 32.6% ▌Michael Kalagias (Libertarian) 2.6% |
| Arkansas 4 | R+17 | Bruce Westerman | Republican | 2014 | Incumbent re-elected. | ▌Y Bruce Westerman (Republican) 66.8% ▌Hayden Shamel (Democratic) 31.3% ▌Tom Canada (Libertarian) 1.9% |

## California

The Democratic majority increased from 39–14 to 46–7.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| California 1 | R+11 | Doug LaMalfa | Republican | 2012 | Incumbent re-elected. | ▌Y Doug LaMalfa (Republican) 54.9% ▌Audrey Denney (Democratic) 45.1% |
| California 2 | D+22 | Jared Huffman | Democratic | 2012 | Incumbent re-elected. | ▌Y Jared Huffman (Democratic) 77.0% ▌Dale Mensing (Republican) 23.0% |
| California 3 | D+5 | John Garamendi | Democratic | 2009 (special) | Incumbent re-elected. | ▌Y John Garamendi (Democratic) 58.1% ▌Charlie Schaupp (Republican) 41.9% |
| California 4 | R+10 | Tom McClintock | Republican | 2008 | Incumbent re-elected. | ▌Y Tom McClintock (Republican) 54.1% ▌Jessica Morse (Democratic) 45.9% |
| California 5 | D+21 | Mike Thompson | Democratic | 1998 | Incumbent re-elected. | ▌Y Mike Thompson (Democratic) 78.9% ▌Anthony Mills (Independent) 21.1% |
| California 6 | D+21 | Doris Matsui | Democratic | 2005 (special) | Incumbent re-elected. | ▌Y Doris Matsui (Democratic) 80.4% ▌Jrmar Jefferson (Democratic) 19.6% |
| California 7 | D+3 | Ami Bera | Democratic | 2012 | Incumbent re-elected. | ▌Y Ami Bera (Democratic) 55.0% ▌Andrew Grant (Republican) 45.0% |
| California 8 | R+9 | Paul Cook | Republican | 2012 | Incumbent re-elected. | ▌Y Paul Cook (Republican) 60.0% ▌Tim Donnelly (Republican) 40.0% |
| California 9 | D+8 | Jerry McNerney | Democratic | 2006 | Incumbent re-elected. | ▌Y Jerry McNerney (Democratic) 56.5% ▌Marla Livengood (Republican) 43.5% |
| California 10 | Even | Jeff Denham | Republican | 2010 | Incumbent lost re-election. New member elected. Democratic gain. | ▌Y Josh Harder (Democratic) 52.3% ▌Jeff Denham (Republican) 47.7% |
| California 11 | D+21 | Mark DeSaulnier | Democratic | 2014 | Incumbent re-elected. | ▌Y Mark DeSaulnier (Democratic) 74.1% ▌John Fitzgerald (Republican) 25.9% |
| California 12 | D+37 | Nancy Pelosi | Democratic | 1987 | Incumbent re-elected. | ▌Y Nancy Pelosi (Democratic) 86.8% ▌Lisa Remmer (Republican) 13.2% |
| California 13 | D+40 | Barbara Lee | Democratic | 1998 (special) | Incumbent re-elected. | ▌Y Barbara Lee (Democratic) 88.4% ▌Laura Wells (Green) 11.6% |
| California 14 | D+27 | Jackie Speier | Democratic | 2008 (special) | Incumbent re-elected. | ▌Y Jackie Speier (Democratic) 79.2% ▌Cristina Osmeña (Republican) 20.8% |
| California 15 | D+20 | Eric Swalwell | Democratic | 2012 | Incumbent re-elected. | ▌Y Eric Swalwell (Democratic) 73.0% ▌Rudy Peters (Republican) 27.0% |
| California 16 | D+9 | Jim Costa | Democratic | 2004 | Incumbent re-elected. | ▌Y Jim Costa (Democratic) 57.5% ▌Elizabeth Heng (Republican) 42.5% |
| California 17 | D+25 | Ro Khanna | Democratic | 2016 | Incumbent re-elected. | ▌Y Ro Khanna (Democratic) 75.3% ▌Ron Cohen (Republican) 24.7% |
| California 18 | D+23 | Anna Eshoo | Democratic | 1992 | Incumbent re-elected. | ▌Y Anna Eshoo (Democratic) 74.5% ▌Christine Russell (Republican) 25.5% |
| California 19 | D+24 | Zoe Lofgren | Democratic | 1994 | Incumbent re-elected. | ▌Y Zoe Lofgren (Democratic) 73.8% ▌Justin Aguilera (Republican) 26.2% |
| California 20 | D+23 | Jimmy Panetta | Democratic | 2016 | Incumbent re-elected. | ▌Y Jimmy Panetta (Democratic) 81.4% ▌Ronald Kabat (Independent) 18.6% |
| California 21 | D+5 | David Valadao | Republican | 2012 | Incumbent lost re-election. New member elected. Democratic gain. | ▌Y TJ Cox (Democratic) 50.4% ▌David Valadao (Republican) 49.6% |
| California 22 | R+8 | Devin Nunes | Republican | 2002 | Incumbent re-elected. | ▌Y Devin Nunes (Republican) 52.7% ▌Andrew Janz (Democratic) 47.3% |
| California 23 | R+14 | Kevin McCarthy | Republican | 2006 | Incumbent re-elected. | ▌Y Kevin McCarthy (Republican) 63.7% ▌Tatiana Matta (Democratic) 36.3% |
| California 24 | D+7 | Salud Carbajal | Democratic | 2016 | Incumbent re-elected. | ▌Y Salud Carbajal (Democratic) 58.6% ▌Justin Fareed (Republican) 41.4% |
| California 25 | Even | Steve Knight | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Katie Hill (Democratic) 54.4% ▌Steve Knight (Republican) 45.6% |
| California 26 | D+7 | Julia Brownley | Democratic | 2012 | Incumbent re-elected. | ▌Y Julia Brownley (Democratic) 61.9% ▌Antonio Sabàto Jr. (Republican) 38.1% |
| California 27 | D+16 | Judy Chu | Democratic | 2009 (special) | Incumbent re-elected. | ▌Y Judy Chu (Democratic) 79.2% ▌Bryan Witt (Democratic) 20.8% |
| California 28 | D+23 | Adam Schiff | Democratic | 2000 | Incumbent re-elected. | ▌Y Adam Schiff (Democratic) 78.4% ▌Johnny Nalbandian (Republican) 21.6% |
| California 29 | D+29 | Tony Cárdenas | Democratic | 2012 | Incumbent re-elected. | ▌Y Tony Cárdenas (Democratic) 80.6% ▌Benito Bernal (Republican) 19.4% |
| California 30 | D+18 | Brad Sherman | Democratic | 1996 | Incumbent re-elected. | ▌Y Brad Sherman (Democratic) 73.4% ▌Mark Reed (Republican) 26.6% |
| California 31 | D+8 | Pete Aguilar | Democratic | 2014 | Incumbent re-elected. | ▌Y Pete Aguilar (Democratic) 58.7% ▌Sean Flynn (Republican) 41.3% |
| California 32 | D+17 | Grace Napolitano | Democratic | 1998 | Incumbent re-elected. | ▌Y Grace Napolitano (Democratic) 68.8% ▌Joshua Scott (Republican) 31.2% |
| California 33 | D+16 | Ted Lieu | Democratic | 2014 | Incumbent re-elected. | ▌Y Ted Lieu (Democratic) 70.0% ▌Kenneth Wright (Republican) 30.0% |
| California 34 | D+35 | Jimmy Gomez | Democratic | 2017 (special) | Incumbent re-elected. | ▌Y Jimmy Gomez (Democratic) 72.5% ▌Kenneth Mejia (Green) 27.5% |
| California 35 | D+19 | Norma Torres | Democratic | 2014 | Incumbent re-elected. | ▌Y Norma Torres (Democratic) 69.4% ▌Christian Valiente (Republican) 30.6% |
| California 36 | D+2 | Raul Ruiz | Democratic | 2012 | Incumbent re-elected. | ▌Y Raul Ruiz (Democratic) 59.0% ▌Kimberlin Brown Pelzer (Republican) 41.0% |
| California 37 | D+37 | Karen Bass | Democratic | 2010 | Incumbent re-elected. | ▌Y Karen Bass (Democratic) 89.1% ▌Ron Bassilian (Republican) 10.9% |
| California 38 | D+17 | Linda Sánchez | Democratic | 2002 | Incumbent re-elected. | ▌Y Linda Sánchez (Democratic) 68.9% ▌Ryan Downing (Republican) 31.1% |
| California 39 | Even | Ed Royce | Republican | 1992 | Incumbent retired. New member elected. Democratic gain. | ▌Y Gil Cisneros (Democratic) 51.6% ▌Young Kim (Republican) 48.4% |
| California 40 | D+33 | Lucille Roybal-Allard | Democratic | 1992 | Incumbent re-elected. | ▌Y Lucille Roybal-Allard (Democratic) 77.3% ▌Rodolfo Barragan (Green) 22.7% |
| California 41 | D+12 | Mark Takano | Democratic | 2012 | Incumbent re-elected. | ▌Y Mark Takano (Democratic) 65.1% ▌Aja Smith (Republican) 34.9% |
| California 42 | R+9 | Ken Calvert | Republican | 1992 | Incumbent re-elected. | ▌Y Ken Calvert (Republican) 56.5% ▌Julia Peacock (Democratic) 43.5% |
| California 43 | D+29 | Maxine Waters | Democratic | 1990 | Incumbent re-elected. | ▌Y Maxine Waters (Democratic) 77.7% ▌Omar Navarro (Republican) 22.3% |
| California 44 | D+35 | Nanette Barragán | Democratic | 2016 | Incumbent re-elected. | ▌Y Nanette Barragán (Democratic) 68.3% ▌Aja Brown (Democratic) 31.7% |
| California 45 | R+3 | Mimi Walters | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Katie Porter (Democratic) 52.1% ▌Mimi Walters (Republican) 47.9% |
| California 46 | D+15 | Lou Correa | Democratic | 2016 | Incumbent re-elected. | ▌Y Lou Correa (Democratic) 69.1% ▌Russell Lambert (Republican) 30.9% |
| California 47 | D+13 | Alan Lowenthal | Democratic | 2012 | Incumbent re-elected. | ▌Y Alan Lowenthal (Democratic) 64.9% ▌John Briscoe (Republican) 35.1% |
| California 48 | R+4 | Dana Rohrabacher | Republican | 1988 | Incumbent lost re-election. Democratic gain. | ▌Y Harley Rouda (Democratic) 53.6% ▌Dana Rohrabacher (Republican) 46.4% |
| California 49 | R+1 | Darrell Issa | Republican | 2000 | Incumbent retired. Democratic gain. | ▌Y Mike Levin (Democratic) 56.4% ▌Diane Harkey (Republican) 43.6% |
| California 50 | R+11 | Duncan D. Hunter | Republican | 2008 | Incumbent re-elected. | ▌Y Duncan D. Hunter (Republican) 51.7% ▌Ammar Campa-Najjar (Democratic) 48.3% |
| California 51 | D+22 | Juan Vargas | Democratic | 2012 | Incumbent re-elected. | ▌Y Juan Vargas (Democratic) 71.2% ▌Juan Hidalgo (Republican) 28.8% |
| California 52 | D+6 | Scott Peters | Democratic | 2012 | Incumbent re-elected. | ▌Y Scott Peters (Democratic) 63.8% ▌Omar Qudrat (Republican) 36.2% |
| California 53 | D+14 | Susan Davis | Democratic | 2000 | Incumbent re-elected. | ▌Y Susan Davis (Democratic) 69.1% ▌Morgan Murtaugh (Republican) 30.9% |

## Colorado

The state congressional delegation flipped from a 4–3 Republican majority to a 4–3 Democratic majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Colorado 1 | D+21 | Diana DeGette | Democratic | 1996 | Incumbent re-elected. | ▌Y Diana DeGette (Democratic) 73.8% ▌Casper Stockham (Republican) 23.0% |
| Colorado 2 | D+9 | Jared Polis | Democratic | 2008 | Incumbent retired to run for Governor of Colorado. Democratic hold. | ▌Y Joe Neguse (Democratic) 60.3% ▌Peter Yu (Republican) 33.6% |
| Colorado 3 | R+6 | Scott Tipton | Republican | 2010 | Incumbent re-elected. | ▌Y Scott Tipton (Republican) 51.5% ▌Diane Mitsch Bush (Democratic) 43.6% |
| Colorado 4 | R+13 | Ken Buck | Republican | 2014 | Incumbent re-elected. | ▌Y Ken Buck (Republican) 60.6% ▌Karen McCormick (Democratic) 39.4% |
| Colorado 5 | R+14 | Doug Lamborn | Republican | 2006 | Incumbent re-elected. | ▌Y Doug Lamborn (Republican) 57.0% ▌Stephany Rose Spaulding (Democratic) 39.3% |
| Colorado 6 | D+2 | Mike Coffman | Republican | 2008 | Incumbent lost re-election. Democratic gain. | ▌Y Jason Crow (Democratic) 54.1% ▌Mike Coffman (Republican) 42.9% |
| Colorado 7 | D+6 | Ed Perlmutter | Democratic | 2006 | Incumbent re-elected. | ▌Y Ed Perlmutter (Democratic) 60.4% ▌Mark Barrington (Republican) 35.4% |

## Connecticut

The state congressional delegation remained unchanged at 5–0 Democrats.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Connecticut 1 | D+12 | John B. Larson | Democratic | 1998 | Incumbent re-elected. | ▌Y John B. Larson (Democratic) 63.9% ▌Jennifer Nye (Republican) 35.0% ▌Thomas McCormick (Green) 1.1% |
| Connecticut 2 | D+3 | Joe Courtney | Democratic | 2006 | Incumbent re-elected. | ▌Y Joe Courtney (Democratic) 62.2% ▌Danny Postemski (Republican) 35.4% ▌Michelle Bicking (Green) 1.2% |
| Connecticut 3 | D+9 | Rosa DeLauro | Democratic | 1990 | Incumbent re-elected. | ▌Y Rosa DeLauro (Democratic) 64.6% ▌Angel Cadena (Republican) 35.4% |
| Connecticut 4 | D+7 | Jim Himes | Democratic | 2008 | Incumbent re-elected. | ▌Y Jim Himes (Democratic) 61.2% ▌Harry Arora (Republican) 38.8% |
| Connecticut 5 | D+2 | Elizabeth Esty | Democratic | 2012 | Incumbent retired. Democratic hold. | ▌Y Jahana Hayes (Democratic) 55.9% ▌Manny Santos (Republican) 44.1% |

## Delaware

Democrats retained control of the sole seat in the state.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Delaware at-large | D+6 | Lisa Blunt Rochester | Democratic | 2016 | Incumbent re-elected. | ▌Y Lisa Blunt Rochester (Democratic) 64.5% ▌Scott Walker (Republican) 35.5% |

## Florida

The Republican majority was reduced from 16–11 to 14–13.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Florida 1 | R+22 | Matt Gaetz | Republican | 2016 | Incumbent re-elected. | ▌Y Matt Gaetz (Republican) 67.1% ▌Jennifer Zimmerman (Democratic) 32.9% |
| Florida 2 | R+18 | Neal Dunn | Republican | 2016 | Incumbent re-elected. | ▌Y Neal Dunn (Republican) 67.4% ▌Bob Rackleff (Democratic) 32.6% |
| Florida 3 | R+9 | Ted Yoho | Republican | 2012 | Incumbent re-elected. | ▌Y Ted Yoho (Republican) 57.6% ▌Yvonne Hayes Hinson (Democratic) 42.4% |
| Florida 4 | R+17 | John Rutherford | Republican | 2016 | Incumbent re-elected. | ▌Y John Rutherford (Republican) 65.2% ▌Ges Selmont (Democratic) 32.3% ▌Joceline Berrios (Independent) 1.9% ▌Jason Bulger (Independent) 0.6% |
| Florida 5 | D+12 | Al Lawson | Democratic | 2016 | Incumbent re-elected. | ▌Y Al Lawson (Democratic) 66.8% ▌Virginia Fuller (Republican) 33.2% |
| Florida 6 | R+7 | Vacant | Vacant | Vacant | Rep. Ron DeSantis (R) resigned September 10, 2018, to run for Governor of Florida. Republican hold. | ▌Y Michael Waltz (Republican) 56.3% ▌Nancy Soderberg (Democratic) 43.7% |
| Florida 7 | Even | Stephanie Murphy | Democratic | 2016 | Incumbent re-elected. | ▌Y Stephanie Murphy (Democratic) 57.7% ▌Mike Miller (Republican) 42.3% |
| Florida 8 | R+11 | Bill Posey | Republican | 2008 | Incumbent re-elected. | ▌Y Bill Posey (Republican) 60.5% ▌Sanjay Patel (Democratic) 39.5% |
| Florida 9 | D+5 | Darren Soto | Democratic | 2016 | Incumbent re-elected. | ▌Y Darren Soto (Democratic) 58.0% ▌Wayne Liebnitzky (Republican) 42.0% |
| Florida 10 | D+11 | Val Demings | Democratic | 2016 | Incumbent re-elected. | ▌Y Val Demings (Democratic) Unopposed |
| Florida 11 | R+15 | Daniel Webster | Republican | 2010 | Incumbent re-elected. | ▌Y Daniel Webster (Republican) 65.2% ▌Dana Cottrell (Democratic) 34.8% |
| Florida 12 | R+8 | Gus Bilirakis | Republican | 2006 | Incumbent re-elected. | ▌Y Gus Bilirakis (Republican) 58.1% ▌Chris Hunter (Democratic) 39.7% ▌Angelika Purkis (Independent) 2.2% |
| Florida 13 | D+2 | Charlie Crist | Democratic | 2016 | Incumbent re-elected. | ▌Y Charlie Crist (Democratic) 57.6% ▌George Buck (Republican) 42.4% |
| Florida 14 | D+7 | Kathy Castor | Democratic | 2006 | Incumbent re-elected. | ▌Y Kathy Castor (Democratic) Unopposed |
| Florida 15 | R+6 | Dennis Ross | Republican | 2010 | Incumbent retired. Republican hold. | ▌Y Ross Spano (Republican) 53.0% ▌Kristen Carlson (Democratic) 47.0% |
| Florida 16 | R+7 | Vern Buchanan | Republican | 2006 | Incumbent re-elected. | ▌Y Vern Buchanan (Republican) 54.6% ▌David Shapiro (Democratic) 45.4% |
| Florida 17 | R+13 | Tom Rooney | Republican | 2008 | Incumbent retired. Republican hold. | ▌Y Greg Steube (Republican) 62.3% ▌Allen Ellison (Democratic) 37.7% |
| Florida 18 | R+5 | Brian Mast | Republican | 2016 | Incumbent re-elected. | ▌Y Brian Mast (Republican) 54.3% ▌Lauren Baer (Democratic) 45.7% |
| Florida 19 | R+13 | Francis Rooney | Republican | 2016 | Incumbent re-elected. | ▌Y Francis Rooney (Republican) 62.3% ▌David Holden (Democratic) 37.7% |
| Florida 20 | D+31 | Alcee Hastings | Democratic | 1992 | Incumbent re-elected. | ▌Y Alcee Hastings (Democratic) Unopposed |
| Florida 21 | D+9 | Lois Frankel | Democratic | 2012 | Incumbent re-elected. | ▌Y Lois Frankel (Democratic) Unopposed |
| Florida 22 | D+6 | Ted Deutch | Democratic | 2010 (special) | Incumbent re-elected. | ▌Y Ted Deutch (Democratic) 62.0% ▌Nicolas Kimaz (Republican) 38.0% |
| Florida 23 | D+11 | Debbie Wasserman Schultz | Democratic | 2004 | Incumbent re-elected. | ▌Y Debbie Wasserman Schultz (Democratic) 58.5% ▌Joseph Kaufman (Republican) 36.0% ▌Tim Canova (Independent) 5.0% ▌Don Endriss (Independent) 0.6% |
| Florida 24 | D+34 | Frederica Wilson | Democratic | 2010 | Incumbent re-elected. | ▌Y Frederica Wilson (Democratic) Unopposed |
| Florida 25 | R+4 | Mario Díaz-Balart | Republican | 2002 | Incumbent re-elected. | ▌Y Mario Díaz-Balart (Republican) 60.5% ▌Mary Barzee Flores (Democratic) 39.5% |
| Florida 26 | D+6 | Carlos Curbelo | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Debbie Mucarsel-Powell (Democratic) 50.9% ▌Carlos Curbelo (Republican) 49.1% |
| Florida 27 | D+5 | Ileana Ros-Lehtinen | Republican | 1989 | Incumbent retired. Democratic gain. | ▌Y Donna Shalala (Democratic) 51.8% ▌María Elvira Salazar (Republican) 45.8% ▌Mayra Joli (Independent) 2.5% |

## Georgia

The Republican majority was reduced from 10–4 to 9–5.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Georgia 1 | R+9 | Buddy Carter | Republican | 2014 | Incumbent re-elected. | ▌Y Buddy Carter (Republican) 57.7% ▌Lisa Ring (Democratic) 42.3% |
| Georgia 2 | D+6 | Sanford Bishop | Democratic | 1992 | Incumbent re-elected. | ▌Y Sanford Bishop (Democratic) 59.6% ▌Herman West (Republican) 40.4% |
| Georgia 3 | R+18 | Drew Ferguson | Republican | 2016 | Incumbent re-elected. | ▌Y Drew Ferguson (Republican) 65.5% ▌Chuck Enderlin (Democratic) 34.5% |
| Georgia 4 | D+24 | Hank Johnson | Democratic | 2006 | Incumbent re-elected. | ▌Y Hank Johnson (Democratic) 78.8% ▌Joe Profit (Republican) 21.2% |
| Georgia 5 | D+34 | John Lewis | Democratic | 1986 | Incumbent re-elected. | ▌Y John Lewis (Democratic) 100% |
| Georgia 6 | R+8 | Karen Handel | Republican | 2017 (special) | Incumbent lost re-election. Democratic gain. | ▌Y Lucy McBath (Democratic) 50.5% ▌Karen Handel (Republican) 49.5% |
| Georgia 7 | R+9 | Rob Woodall | Republican | 2010 | Incumbent re-elected. | ▌Y Rob Woodall (Republican) 50.07% ▌Carolyn Bourdeaux (Democratic) 49.93% |
| Georgia 8 | R+15 | Austin Scott | Republican | 2010 | Incumbent re-elected. | ▌Y Austin Scott (Republican) 99.7% |
| Georgia 9 | R+31 | Doug Collins | Republican | 2012 | Incumbent re-elected. | ▌Y Doug Collins (Republican) 79.5% ▌Josh McCall (Democratic) 20.5% |
| Georgia 10 | R+15 | Jody Hice | Republican | 2014 | Incumbent re-elected. | ▌Y Jody Hice (Republican) 62.9% ▌Tabitha Johnson-Green (Democratic) 37.1% |
| Georgia 11 | R+17 | Barry Loudermilk | Republican | 2014 | Incumbent re-elected. | ▌Y Barry Loudermilk (Republican) 61.8% ▌Flynn Broady (Democratic) 38.2% |
| Georgia 12 | R+9 | Rick Allen | Republican | 2014 | Incumbent re-elected. | ▌Y Rick Allen (Republican) 59.5% ▌Francys Johnson (Democratic) 40.5% |
| Georgia 13 | D+20 | David Scott | Democratic | 2002 | Incumbent re-elected. | ▌Y David Scott (Democratic) 76.2% ▌David Callahan (Republican) 23.8% |
| Georgia 14 | R+27 | Tom Graves | Republican | 2010 (special) | Incumbent re-elected. | ▌Y Tom Graves (Republican) 76.5% ▌Steve Foster (Democratic) 23.5% |

## Hawaii

Hawaii maintained its 2-0 Democratic hold.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Hawaii 1 | D+17 | Colleen Hanabusa | Democratic | 2010 2014 (retired) 2016 | Incumbent retired to run for Governor of Hawaii. Democratic hold. | ▌Y Ed Case (Democratic) 73.1% ▌Cam Cavasso (Republican) 23.1% ▌Michelle Tippens (Libertarian) 1.9% ▌Zachary Burd (Green) 1.2% ▌Calvin Griffin (Nonpartisan) 0.7% |
| Hawaii 2 | D+19 | Tulsi Gabbard | Democratic | 2012 | Incumbent re-elected. | ▌Y Tulsi Gabbard (Democratic) 77.4% ▌Brian Evans (Republican) 22.6% |

## Idaho

Idaho maintained its 2-0 Republican hold.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Idaho 1 | R+21 | Raúl Labrador | Republican | 2010 | Incumbent retired to run for Governor of Idaho. Republican hold. | ▌Y Russ Fulcher (Republican) 62.8% ▌Cristina McNeil (Democratic) 30.8% ▌Natalie Fleming (Independent) 2.0% ▌W. Scott Howard (Libertarian) 1.7% ▌Paul Farmer (Independent) 1.4% ▌Pro-Life (Constitution) 1.0% ▌Gordon Counsil (Independent) 0.3% |
| Idaho 2 | R+17 | Mike Simpson | Republican | 1998 | Incumbent re-elected. | ▌Y Mike Simpson (Republican) 60.7% ▌Aaron Swisher (Democratic) 39.3% |

## Illinois

The Democratic majority increased from 11–7 to 13–5.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Illinois 1 | D+27 | Bobby Rush | Democratic | 1992 | Incumbent re-elected. | ▌Y Bobby Rush (Democratic) 73.5% ▌Jimmy Tillman (Republican) 19.8% |
| Illinois 2 | D+29 | Robin Kelly | Democratic | 2013 (special) | Incumbent re-elected. | ▌Y Robin Kelly (Democratic) 81.1% ▌David Merkle (Republican) 18.9% |
| Illinois 3 | D+6 | Dan Lipinski | Democratic | 2004 | Incumbent re-elected. | ▌Y Dan Lipinski (Democratic) 73.8% ▌Arthur Jones (Republican) 26.2% |
| Illinois 4 | D+33 | Luis Gutiérrez | Democratic | 1992 | Incumbent retired. Democratic hold. | ▌Y Chuy García (Democratic) 86.6% ▌Mark Lorch (Republican) 13.4% |
| Illinois 5 | D+20 | Mike Quigley | Democratic | 2009 (special) | Incumbent re-elected. | ▌Y Mike Quigley (Democratic) 76.7% ▌Tom Hanson (Republican) 23.3% |
| Illinois 6 | R+2 | Peter Roskam | Republican | 2006 | Incumbent lost re-election. Democratic gain. | ▌Y Sean Casten (Democratic) 53.6% ▌Peter Roskam (Republican) 46.4% |
| Illinois 7 | D+38 | Danny Davis | Democratic | 1996 | Incumbent re-elected. | ▌Y Danny Davis (Democratic) 87.6% ▌Craig Cameron (Republican) 12.4% |
| Illinois 8 | D+8 | Raja Krishnamoorthi | Democratic | 2016 | Incumbent re-elected. | ▌Y Raja Krishnamoorthi (Democratic) 66.0% ▌J. D. Diganvker (Republican) 34.0% |
| Illinois 9 | D+18 | Jan Schakowsky | Democratic | 1998 | Incumbent re-elected. | ▌Y Jan Schakowsky (Democratic) 73.5% ▌John Elleson (Republican) 26.5% |
| Illinois 10 | D+10 | Brad Schneider | Democratic | 2012 2014 (defeated) 2016 | Incumbent re-elected. | ▌Y Brad Schneider (Democratic) 65.6% ▌Douglas Bennett (Republican) 34.4% |
| Illinois 11 | D+9 | Bill Foster | Democratic | 2008 (special) 2010 (defeated) 2012 | Incumbent re-elected. | ▌Y Bill Foster (Democratic) 63.8% ▌Nick Stella (Republican) 36.2% |
| Illinois 12 | R+5 | Mike Bost | Republican | 2014 | Incumbent re-elected. | ▌Y Mike Bost (Republican) 51.6% ▌Brendan Kelly (Democratic) 45.4% ▌Randall Auxier (Green) 3.0% |
| Illinois 13 | R+3 | Rodney Davis | Republican | 2012 | Incumbent re-elected. | ▌Y Rodney Davis (Republican) 50.4% ▌Betsy Dirksen Londrigan (Democratic) 49.6% |
| Illinois 14 | R+5 | Randy Hultgren | Republican | 2010 | Incumbent lost re-election. Democratic gain. | ▌Y Lauren Underwood (Democratic) 52.5% ▌Randy Hultgren (Republican) 47.5% |
| Illinois 15 | R+21 | John Shimkus | Republican | 1996 | Incumbent re-elected. | ▌Y John Shimkus (Republican) 70.9% ▌Kevin Gaither (Democratic) 29.1% |
| Illinois 16 | R+8 | Adam Kinzinger | Republican | 2010 | Incumbent re-elected. | ▌Y Adam Kinzinger (Republican) 59.1% ▌Sara Dady (Democratic) 40.9% |
| Illinois 17 | D+3 | Cheri Bustos | Democratic | 2012 | Incumbent re-elected. | ▌Y Cheri Bustos (Democratic) 62.1% ▌Bill Fawell (Republican) 37.9% |
| Illinois 18 | R+15 | Darin LaHood | Republican | 2015 (special) | Incumbent re-elected. | ▌Y Darin LaHood (Republican) 67.2% ▌Junius Rodriguez (Democratic) 32.8% |

## Indiana

The Republican majority remained at 7–2.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Indiana 1 | D+8 | Pete Visclosky | Democratic | 1984 | Incumbent re-elected. | ▌Y Pete Visclosky (Democratic) 65.1% ▌Mark Leyva (Republican) 34.9% |
| Indiana 2 | R+11 | Jackie Walorski | Republican | 2012 | Incumbent re-elected. | ▌Y Jackie Walorski (Republican) 54.8% ▌Mel Hall (Democratic) 45.2% |
| Indiana 3 | R+18 | Jim Banks | Republican | 2016 | Incumbent re-elected. | ▌Y Jim Banks (Republican) 64.7% ▌Courtney Tritch (Democratic) 35.3% |
| Indiana 4 | R+17 | Todd Rokita | Republican | 2010 | Incumbent retired to run for U.S. Senator. Republican hold. | ▌Y Jim Baird (Republican) 64.1% ▌Tobi Beck (Democratic) 35.9% |
| Indiana 5 | R+9 | Susan Brooks | Republican | 2012 | Incumbent re-elected. | ▌Y Susan Brooks (Republican) 56.8% ▌Dee Thornton (Democratic) 43.2% |
| Indiana 6 | R+18 | Luke Messer | Republican | 2012 | Incumbent retired to run for U.S. Senator. Republican hold. | ▌Y Greg Pence (Republican) 63.8% ▌Jeannine Lake (Democratic) 32.9% |
| Indiana 7 | D+11 | André Carson | Democratic | 2008 (special) | Incumbent re-elected. | ▌Y André Carson (Democratic) 64.9% ▌Wayne Harmon (Republican) 35.1% |
| Indiana 8 | R+15 | Larry Bucshon | Republican | 2010 | Incumbent re-elected. | ▌Y Larry Bucshon (Republican) 64.4% ▌William Tanoos (Democratic) 35.6% |
| Indiana 9 | R+13 | Trey Hollingsworth | Republican | 2016 | Incumbent re-elected. | ▌Y Trey Hollingsworth (Republican) 56.5% ▌Liz Watson (Democratic) 43.5% |

## Iowa

Iowa's delegation flipped from a 3–1 Republican majority to a 3–1 Democratic majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Iowa 1 | D+1 | Rod Blum | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Abby Finkenauer (Democratic) 51.0% ▌Rod Blum (Republican) 45.9% ▌Troy Hageman (Libertarian) 3.1% |
| Iowa 2 | D+1 | Dave Loebsack | Democratic | 2006 | Incumbent re-elected. | ▌Y Dave Loebsack (Democratic) 54.8% ▌Christopher Peters (Republican) 42.6% ▌Mike Strauss (Libertarian) 2.0% ▌Daniel Clark (Independent) 0.6% |
| Iowa 3 | R+1 | David Young | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Cindy Axne (Democratic) 49.3% ▌David Young (Republican) 47.2% ▌Bryan Holder (Libertarian) 2.0% Others ▌Mark Elworth (Legal Marijuana Now) 0.5% ▌Paul Knupp (Green) 0.5% ▌Joe Grandanette (Independent) 0.4% |
| Iowa 4 | R+11 | Steve King | Republican | 2002 | Incumbent re-elected. | ▌Y Steve King (Republican) 50.4% ▌J. D. Scholten (Democratic) 47.0% ▌Charles Aldrich (Libertarian) 2.0% ▌Edward Peterson (Independent) 0.6% |

## Kansas

The Republican majority slipped from 4–0 to 3–1.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Kansas 1 | R+24 | Roger Marshall | Republican | 2016 | Incumbent re-elected. | ▌Y Roger Marshall (Republican) 68.1% ▌Alan LaPolice (Democratic) 31.9% |
| Kansas 2 | R+10 | Lynn Jenkins | Republican | 2008 | Incumbent retired. Republican hold. | ▌Y Steve Watkins (Republican) 47.6% ▌Paul Davis (Democratic) 46.8% ▌Kelly Standley (Libertarian) 5.6% |
| Kansas 3 | R+4 | Kevin Yoder | Republican | 2010 | Incumbent lost re-election. Democratic gain. | ▌Y Sharice Davids (Democratic) 53.6% ▌Kevin Yoder (Republican) 43.9% ▌Chris Clemmons (Libertarian) 2.5% |
| Kansas 4 | R+15 | Ron Estes | Republican | 2017 (special) | Incumbent re-elected. | ▌Y Ron Estes (Republican) 59.4% ▌James Thompson (Democratic) 40.6% |

## Kentucky

Republicans maintained their 5–1 majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Kentucky 1 | R+23 | James Comer | Republican | 2016 | Incumbent re-elected. | ▌Y James Comer (Republican) 68.6% ▌Paul Walker (Democratic) 31.4% |
| Kentucky 2 | R+19 | Brett Guthrie | Republican | 2008 | Incumbent re-elected. | ▌Y Brett Guthrie (Republican) 66.7% ▌Hank Linderman (Democratic) 31.1% ▌Thomas Loecken (Independent) 2.2% |
| Kentucky 3 | D+6 | John Yarmuth | Democratic | 2006 | Incumbent re-elected. | ▌Y John Yarmuth (Democratic) 62.1% ▌Vickie Glisson (Republican) 36.6% ▌Gregory Boles (Libertarian) 1.4% |
| Kentucky 4 | R+18 | Thomas Massie | Republican | 2012 | Incumbent re-elected. | ▌Y Thomas Massie (Republican) 62.2% ▌Seth Hall (Democratic) 34.6% ▌Mike Moffett (Independent) 3.2% |
| Kentucky 5 | R+31 | Hal Rogers | Republican | 1980 | Incumbent re-elected. | ▌Y Hal Rogers (Republican) 78.9% ▌Kenneth Stepp (Democratic) 21.1% |
| Kentucky 6 | R+9 | Andy Barr | Republican | 2012 | Incumbent re-elected. | ▌Y Andy Barr (Republican) 51.0% ▌Amy McGrath (Democratic) 47.8% Others ▌Frank Harris (Libertarian) 0.7% ▌Rikka Wallin (Independent) 0.3% ▌James Germalic (Independent) 0.2% |

## Louisiana

All incumbents were re-elected, and Republicans maintained their 5–1 majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Louisiana 1 | R+24 | Steve Scalise | Republican | 2008 (special) | Incumbent re-elected. | ▌Y Steve Scalise (Republican) 71.5% ▌Tammy Savoie (Democratic) 16.4% ▌Lee Ann Dugas (Democratic) 6.9% ▌Jim Francis (Democratic) 3.2% ▌Howard Kearney (Libertarian) 1.0% ▌Ferd Jones (Independent) 0.9% |
| Louisiana 2 | D+25 | Cedric Richmond | Democratic | 2010 | Incumbent re-elected. | ▌Y Cedric Richmond (Democratic) 80.6% ▌Jesse Schmidt (Independent) 8.7% ▌Belden Batiste (Independent) 7.3% ▌Shawndra Rodriguez (Independent) 3.4% |
| Louisiana 3 | R+20 | Clay Higgins | Republican | 2016 | Incumbent re-elected. | ▌Y Clay Higgins (Republican) 55.7% ▌Mimi Methvin (Democratic) 17.8% ▌Josh Guillory (Republican) 12.8% ▌Rob Anderson (Democratic) 5.5% ▌Larry Rader (Democratic) 3.9% ▌Verone Thomas (Democratic) 3.2% ▌Aaron Andrus (Libertarian) 1.2% |
| Louisiana 4 | R+13 | Mike Johnson | Republican | 2016 | Incumbent re-elected. | ▌Y Mike Johnson (Republican) 64.2% ▌Ryan Trundle (Democratic) 33.6% ▌Mark Halverson (Independent) 2.1% |
| Louisiana 5 | R+15 | Ralph Abraham | Republican | 2014 | Incumbent re-elected. | ▌Y Ralph Abraham (Republican) 66.5% ▌Jessee Fleenor (Democratic) 30.0% ▌Billy Burkette (Independent) 2.0% ▌Kyle Randol (Libertarian) 1.3% |
| Louisiana 6 | R+19 | Garret Graves | Republican | 2014 | Incumbent re-elected. | ▌Y Garret Graves (Republican) 69.5% ▌Justin DeWitt (Democratic) 20.5% ▌Andie Saizan (Democratic) 8.1% ▌Devin Graham (Independent) 2.0% |

## Maine

The 1–1 tie became a 2–0 Democratic hold. This was the first use of ranked choice voting to decide a House race.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Maine 1 | D+8 | Chellie Pingree | Democratic | 2008 | Incumbent re-elected. | ▌Y Chellie Pingree (Democratic) 58.7% ▌Mark Holbrook (Republican) 32.4% ▌Martin Grohman (Independent) 8.9% |
| Maine 2 | R+2 | Bruce Poliquin | Republican | 2014 | Incumbent lost re-election. Democratic gain. | First round: ▌Y Bruce Poliquin (Republican) 46.3% ▌Y Jared Golden (Democratic) 45.6% ▌Tiffany Bond (Independent) 5.7% ▌Will Hoar (Independent) 2.4% Instant runoff: ▌Y Jared Golden (Democratic) 50.6% ▌Bruce Poliquin (Republican) 49.4% |

## Maryland

Democrats maintained their 7–1 majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Maryland 1 | R+14 | Andy Harris | Republican | 2010 | Incumbent re-elected. | ▌Y Andy Harris (Republican) 60.0% ▌Jesse Colvin (Democratic) 38.1% ▌Jenica Martin (Libertarian) 1.9% |
| Maryland 2 | D+11 | Dutch Ruppersberger | Democratic | 2002 | Incumbent re-elected. | ▌Y Dutch Ruppersberger (Democratic) 66.1% ▌Liz Matory (Republican) 30.7% ▌Guy Mimoun (Green) 3.2% |
| Maryland 3 | D+13 | John Sarbanes | Democratic | 2006 | Incumbent re-elected. | ▌Y John Sarbanes (Democratic) 69.2% ▌Charles Anthony (Republican) 28.3% ▌David Lashar (Libertarian) 2.5% |
| Maryland 4 | D+28 | Anthony Brown | Democratic | 2016 | Incumbent re-elected. | ▌Y Anthony Brown (Democratic) 78.1% ▌George McDermott (Republican) 19.9% ▌David Bishop (Libertarian) 2.0% |
| Maryland 5 | D+16 | Steny Hoyer | Democratic | 1981 (special) | Incumbent re-elected. | ▌Y Steny Hoyer (Democratic) 70.4% ▌William Devine III (Republican) 27.1% ▌Pat Elder (Green) 1.3% ▌Jacob Pulcher (Libertarian) 1.2% |
| Maryland 6 | D+6 | John Delaney | Democratic | 2012 | Incumbent retired to run for U.S. President. Democratic hold. | ▌Y David Trone (Democratic) 59.0% ▌Amie Hoeber (Republican) 38.0% ▌Kevin Caldwell (Libertarian) 1.8% ▌George Gluck (Green) 1.2% |
| Maryland 7 | D+26 | Elijah Cummings | Democratic | 1996 | Incumbent re-elected. | ▌Y Elijah Cummings (Democratic) 76.5% ▌Richmond Davis (Republican) 21.3% ▌Swami Swaminathan (Independent) 2.2% |
| Maryland 8 | D+14 | Jamie Raskin | Democratic | 2016 | Incumbent re-elected. | ▌Y Jamie Raskin (Democratic) 68.2% ▌John Walsh (Republican) 30.3% ▌Jasen Wunder (Libertarian) 1.5% |

## Massachusetts

Democrats maintained their 9–0 hold.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Massachusetts 1 | D+12 | Richard Neal | Democratic | 1988 | Incumbent re-elected. | ▌Y Richard Neal (Democratic) Uncontested |
| Massachusetts 2 | D+9 | Jim McGovern | Democratic | 1996 | Incumbent re-elected. | ▌Y Jim McGovern (Democratic) 67.2% ▌Tracy Lovvorn (Republican) 32.8% |
| Massachusetts 3 | D+9 | Niki Tsongas | Democratic | 2007 (special) | Incumbent retired. Democratic hold. | ▌Y Lori Trahan (Democratic) 62.0% ▌Rick Green (Republican) 33.5% ▌Michael Mullen (Independent) 4.5% |
| Massachusetts 4 | D+9 | Joe Kennedy III | Democratic | 2012 | Incumbent re-elected. | ▌Y Joe Kennedy III (Democratic) Uncontested |
| Massachusetts 5 | D+18 | Katherine Clark | Democratic | 2013 (special) | Incumbent re-elected. | ▌Y Katherine Clark (Democratic) 75.9% ▌John Hugo (Republican) 24.1% |
| Massachusetts 6 | D+6 | Seth Moulton | Democratic | 2014 | Incumbent re-elected. | ▌Y Seth Moulton (Democratic) 65.2% ▌Joseph Schneider (Republican) 31.4% ▌Mary Jean Charbonneau (Independent) 3.4% |
| Massachusetts 7 | D+34 | Mike Capuano | Democratic | 1998 | Incumbent lost renomination. Democratic hold. | ▌Y Ayanna Pressley (Democratic) Uncontested |
| Massachusetts 8 | D+10 | Stephen Lynch | Democratic | 2001 (special) | Incumbent re-elected. | ▌Y Stephen Lynch (Democratic) Uncontested |
| Massachusetts 9 | D+4 | Bill Keating | Democratic | 2010 | Incumbent re-elected. | ▌Y Bill Keating (Democratic) 59.4% ▌Peter Tedeschi (Republican) 40.6% |

## Michigan

The delegation flipped from a 9–5 Republican majority to a 7–7 split.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Michigan 1 | R+9 | Jack Bergman | Republican | 2016 | Incumbent re-elected. | ▌Y Jack Bergman (Republican) 56.3% ▌Matt Morgan (Democratic) 43.7% |
| Michigan 2 | R+9 | Bill Huizenga | Republican | 2010 | Incumbent re-elected. | ▌Y Bill Huizenga (Republican) 55.3% ▌Rob Davidson (Democratic) 43.0% ▌Ronald Graeser (U.S. Taxpayers) 1.7% |
| Michigan 3 | R+6 | Justin Amash | Republican | 2010 | Incumbent re-elected. | ▌Y Justin Amash (Republican) 54.4% ▌Cathy Albro (Democratic) 43.2% ▌Ted Gerrard (U.S. Taxpayers) 2.4% |
| Michigan 4 | R+10 | John Moolenaar | Republican | 2014 | Incumbent re-elected. | ▌Y John Moolenaar (Republican) 62.6% ▌Jerry Hilliard (Democratic) 37.4% |
| Michigan 5 | D+5 | Dan Kildee | Democratic | 2012 | Incumbent re-elected. | ▌Y Dan Kildee (Democratic) 59.5% ▌Travis Wines (Republican) 35.9% ▌Kathy Goodwin (Working Class) 4.6% |
| Michigan 6 | R+4 | Fred Upton | Republican | 1986 | Incumbent re-elected. | ▌Y Fred Upton (Republican) 50.2% ▌Matt Longjohn (Democratic) 45.7% ▌Stephen Young (U.S. Taxpayers) 4.1% |
| Michigan 7 | R+7 | Tim Walberg | Republican | 2006 2008 (defeated) 2010 | Incumbent re-elected. | ▌Y Tim Walberg (Republican) 53.8% ▌Gretchen Driskell (Democratic) 46.2% |
| Michigan 8 | R+4 | Mike Bishop | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Elissa Slotkin (Democratic) 50.6% ▌Mike Bishop (Republican) 46.8% ▌Brian Ellison (Libertarian) 1.8% ▌David Lillis (U.S. Taxpayers) 0.8% |
| Michigan 9 | D+4 | Sander Levin | Democratic | 1982 | Incumbent retired. Democratic hold. | ▌Y Andy Levin (Democratic) 59.6% ▌Candius Stearns (Republican) 36.8% ▌Andrea Kirby (Working Class) 2.2% ▌John McDermott (Green) 1.3% |
| Michigan 10 | R+13 | Paul Mitchell | Republican | 2016 | Incumbent re-elected. | ▌Y Paul Mitchell (Republican) 60.3% ▌Kimberly Bizon (Democratic) 35.0% ▌Jeremy Peruski (Independent) 3.8% ▌Harley Mikkelson (Green) 1.0% |
| Michigan 11 | R+4 | David Trott | Republican | 2014 | Incumbent retired. Democratic gain. | ▌Y Haley Stevens (Democratic) 51.8% ▌Lena Epstein (Republican) 45.2% ▌Leonard Schwartz (Libertarian) 1.7% ▌Cooper Nye (Independent) 1.3% |
| Michigan 12 | D+14 | Debbie Dingell | Democratic | 2014 | Incumbent re-elected. | ▌Y Debbie Dingell (Democratic) 68.1% ▌Jeff Jones (Republican) 28.9% ▌Gary Walkowicz (Working Class) 2.3% ▌Niles Niemuth (Independent) 0.8% |
| Michigan 13 | D+32 | Vacant | Vacant | Vacant | Rep. John Conyers Jr. (D) resigned December 5, 2017. Democratic hold. A different Democratic candidate was elected the same day to finish the current term. | ▌Y Rashida Tlaib (Democratic) 84.6% ▌Sam Johnson (Working Class) 11.3% ▌Etta Wilcoxon (Green) 4.1% |
| Michigan 14 | D+30 | Brenda Lawrence | Democratic | 2014 | Incumbent re-elected. | ▌Y Brenda Lawrence (Democratic) 80.9% ▌Marc Herschfus (Republican) 17.3% ▌Philip Kolody (Working Class) 1.4% |

## Minnesota

Although half of the seats switched parties, Democrats maintained the same 5–3 majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Minnesota 1 | R+5 | Tim Walz | DFL | 2006 | Incumbent retired to run for Governor of Minnesota. Republican gain. | ▌Y Jim Hagedorn (Republican) 50.2% ▌Dan Feehan (DFL) 49.8% |
| Minnesota 2 | R+2 | Jason Lewis | Republican | 2016 | Incumbent lost re-election. DFL gain. | ▌Y Angie Craig (DFL) 52.8% ▌Jason Lewis (Republican) 47.2% |
| Minnesota 3 | D+1 | Erik Paulsen | Republican | 2008 | Incumbent lost re-election. DFL gain. | ▌Y Dean Phillips (DFL) 55.7% ▌Erik Paulsen (Republican) 44.3% |
| Minnesota 4 | D+14 | Betty McCollum | DFL | 2000 | Incumbent re-elected. | ▌Y Betty McCollum (DFL) 66.0% ▌Greg Ryan (Republican) 29.8% ▌Susan Pendergast Sindt (Legal Marijuana Now) 4.2% |
| Minnesota 5 | D+26 | Keith Ellison | DFL | 2006 | Incumbent retired to run for Minnesota Attorney General. DFL hold. | ▌Y Ilhan Omar (DFL) 78.2% ▌Jennifer Zielinski (Republican) 21.8% |
| Minnesota 6 | R+12 | Tom Emmer | Republican | 2014 | Incumbent re-elected. | ▌Y Tom Emmer (Republican) 61.2% ▌Ian Todd (DFL) 38.8% |
| Minnesota 7 | R+12 | Collin Peterson | DFL | 1990 | Incumbent re-elected. | ▌Y Collin Peterson (DFL) 52.1% ▌Dave Hughes (Republican) 47.9% |
| Minnesota 8 | R+4 | Rick Nolan | DFL | 1974 1980 (retired) 2012 | Incumbent retired. Republican gain. | ▌Y Pete Stauber (Republican) 50.7% ▌Joe Radinovich (DFL) 45.2% ▌Skip Sandman (Independence) 4.1% |

## Mississippi

The Republicans maintained their 3–1 majority in the state.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Mississippi 1 | R+16 | Trent Kelly | Republican | 2015 (special) | Incumbent re-elected. | ▌Y Trent Kelly (Republican) 66.9% ▌Randy Wadkins (Democratic) 32.4% ▌Tracella O'Hara Hill (Reform) 0.7% |
| Mississippi 2 | D+14 | Bennie Thompson | Democratic | 1992 | Incumbent re-elected. | ▌Y Bennie Thompson (Democratic) 71.8% ▌Troy Ray (Independent) 21.7% ▌Irving Harris (Reform) 6.5% |
| Mississippi 3 | R+13 | Gregg Harper | Republican | 2008 | Incumbent retired. Republican hold. | ▌Y Michael Guest (Republican) 62.3% ▌Michael Evans (Democratic) 36.7% ▌Matthew Holland (Reform) 1.0% |
| Mississippi 4 | R+21 | Steven Palazzo | Republican | 2010 | Incumbent re-elected. | ▌Y Steven Palazzo (Republican) 68.2% ▌Jeramey Anderson (Democratic) 30.7% ▌Lajena Sheets (Reform) 1.0% |

## Missouri

The Republicans maintained their 6-2 seat majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Missouri 1 | D+29 | Lacy Clay | Democratic | 2000 | Incumbent re-elected. | ▌Y Lacy Clay (Democratic) 80.1% ▌Robert Vroman (Republican) 16.7% ▌Robb Cunningham (Libertarian) 3.2% |
| Missouri 2 | R+8 | Ann Wagner | Republican | 2012 | Incumbent re-elected. | ▌Y Ann Wagner (Republican) 51.2% ▌Cort VanOstran (Democratic) 47.2% ▌Larry Kirk (Libertarian) 1.1% ▌David Arnold (Green) 0.5% |
| Missouri 3 | R+18 | Blaine Luetkemeyer | Republican | 2008 | Incumbent re-elected. | ▌Y Blaine Luetkemeyer (Republican) 65.1% ▌Katy Geppert (Democratic) 32.8% ▌Donald Stolle (Libertarian) 2.1% |
| Missouri 4 | R+17 | Vicky Hartzler | Republican | 2010 | Incumbent re-elected. | ▌Y Vicky Hartzler (Republican) 64.8% ▌Renee Hoagenson (Democratic) 32.7% ▌Mark Bliss (Libertarian) 2.4% |
| Missouri 5 | D+7 | Emanuel Cleaver | Democratic | 2004 | Incumbent re-elected. | ▌Y Emanuel Cleaver (Democratic) 61.7% ▌Jacob Turk (Republican) 35.5% ▌Alexander Howell (Libertarian) 1.7% ▌Maurice Copeland (Green) 0.7% ▌E. C. Fredland (Constitution) 0.3% |
| Missouri 6 | R+16 | Sam Graves | Republican | 2000 | Incumbent re-elected. | ▌Y Sam Graves (Republican) 65.4% ▌Henry Martin (Democratic) 32.0% ▌Dan Hogan (Libertarian) 2.6% |
| Missouri 7 | R+23 | Billy Long | Republican | 2010 | Incumbent re-elected. | ▌Y Billy Long (Republican) 66.2% ▌Jamie Schoolcraft (Democratic) 30.1% ▌Benjamin Brixey (Libertarian) 3.7% |
| Missouri 8 | R+24 | Jason Smith | Republican | 2013 (special) | Incumbent re-elected. | ▌Y Jason Smith (Republican) 73.4% ▌Kathy Ellis (Democratic) 25.0% ▌Jonathan Shell (Libertarian) 1.6% |

## Montana

Republicans maintained control of the lone house seat.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Montana at-large | R+11 | Greg Gianforte | Republican | 2017 (special) | Incumbent re-elected. | ▌Y Greg Gianforte (Republican) 50.9% ▌Kathleen Williams (Democratic) 46.2% ▌Elinor Swanson (Libertarian) 2.9% |

## Nebraska

Republicans maintained their 3–0 majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Nebraska 1 | R+11 | Jeff Fortenberry | Republican | 2004 | Incumbent re-elected. | ▌Y Jeff Fortenberry (Republican) 60.4% ▌Jessica McClure (Democratic) 39.6% |
| Nebraska 2 | R+4 | Don Bacon | Republican | 2016 | Incumbent re-elected. | ▌Y Don Bacon (Republican) 51.0% ▌Kara Eastman (Democratic) 49.0% |
| Nebraska 3 | R+27 | Adrian Smith | Republican | 2006 | Incumbent re-elected. | ▌Y Adrian Smith (Republican) 76.7% ▌Paul Theobald (Democratic) 23.3% |

## Nevada

Democrats maintained their 3–1 majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Nevada 1 | D+15 | Dina Titus | Democratic | 2008 2010 (defeated) 2012 | Incumbent re-elected. | ▌Y Dina Titus (Democratic) 66.2% ▌Joyce Bentley (Republican) 30.9% ▌Dan Garfield (Independent American) 1.6% ▌Robert Strawder (Libertarian) 1.4% |
| Nevada 2 | R+7 | Mark Amodei | Republican | 2011 (special) | Incumbent re-elected. | ▌Y Mark Amodei (Republican) 58.2% ▌Clint Koble (Democratic) 41.8% |
| Nevada 3 | R+2 | Jacky Rosen | Democratic | 2016 | Incumbent retired to run for U.S. Senator. Democratic hold. | ▌Y Susie Lee (Democratic) 51.9% ▌Danny Tarkanian (Republican) 42.8% ▌Steve Brown (Libertarian) 1.6% ▌David Goossen (Independent) 1.3% ▌Harry Vickers (Independent American) 1.2% Others ▌Gil Eisner (Independent) 0.7% ▌Tony Gumina (Independent) 0.5% |
| Nevada 4 | D+3 | Ruben Kihuen | Democratic | 2016 | Incumbent retired. Democratic hold. | ▌Y Steven Horsford (Democratic) 51.9% ▌Cresent Hardy (Republican) 43.7% ▌Warren Markowitz (Independent American) 1.4% ▌Rodney Smith (Independent) 1.2% Others ▌Gregg Luckner (Libertarian) 0.9% ▌Dean McGonigle (Independent) 0.9% |

## New Hampshire

The Democrats maintained control of both house seats.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| New Hampshire 1 | R+2 | Carol Shea-Porter | Democratic | 2006 2010 (defeated) 2012 2014 (defeated) 2016 | Incumbent retired. Democratic hold. | ▌Y Chris Pappas (Democratic) 53.6% ▌Eddie Edwards (Republican) 45.0% ▌Dan Belforti (Libertarian) 1.4% |
| New Hampshire 2 | D+2 | Annie Kuster | Democratic | 2012 | Incumbent re-elected. | ▌Y Annie Kuster (Democratic) 55.6% ▌Steve Negron (Republican) 42.2% ▌Justin O'Donnell (Libertarian) 2.2% |

## New Jersey

The state congressional delegation changed from 7–5 for Democrats to 11–1 for Democrats.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| New Jersey 1 | D+13 | Donald Norcross | Democratic | 2014 | Incumbent re-elected. | ▌Y Donald Norcross (Democratic) 64.4% ▌Paul Dilks (Republican) 33.3% ▌Robert Shapiro (Independent) 1.1% Others ▌Paul Hamlin (Independent) 0.9% ▌Mohammad Kabir (Independent) 0.4% |
| New Jersey 2 | R+1 | Frank LoBiondo | Republican | 1994 | Incumbent retired. Democratic gain. | ▌Y Jeff Van Drew (Democratic) 52.9% ▌Seth Grossman (Republican) 45.2% Others ▌John Ordille (Independent) 0.7% ▌Steven Fenichel (Independent) 0.4% ▌Anthony Sanchez (Independent) 0.4% ▌William Benfer (Independent) 0.3% |
| New Jersey 3 | R+2 | Tom MacArthur | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Andy Kim (Democratic) 50.0% ▌Tom MacArthur (Republican) 48.7% ▌Lawrence Berlinski (Independent) 1.3% |
| New Jersey 4 | R+8 | Chris Smith | Republican | 1980 | Incumbent re-elected. | ▌Y Chris Smith (Republican) 55.4% ▌Josh Welle (Democratic) 43.1% Others ▌Michael Rufo (Independent) 0.5% ▌Edward Stackhouse (Independent) 0.4% ▌Brian Reynolds (Independent) 0.3% ▌Felicia Stoler (Independent) 0.3% ▌Allen Yusufov (Independent) 0.1% |
| New Jersey 5 | R+3 | Josh Gottheimer | Democratic | 2016 | Incumbent re-elected. | ▌Y Josh Gottheimer (Democratic) 56.2% ▌John McCann (Republican) 42.5% Others ▌James Tosone (Independent) 0.7% ▌Wendy Goetz (Independent) 0.6% |
| New Jersey 6 | D+9 | Frank Pallone | Democratic | 1988 | Incumbent re-elected. | ▌Y Frank Pallone (Democratic) 63.6% ▌Rich Pezzullo (Republican) 36.4% |
| New Jersey 7 | R+3 | Leonard Lance | Republican | 2008 | Incumbent lost re-election. Democratic gain. | ▌Y Tom Malinowski (Democratic) 51.7% ▌Leonard Lance (Republican) 46.7% ▌Diane Moxley (Green) 0.8% ▌Gregg Mele (Independent) 0.7% |
| New Jersey 8 | D+27 | Albio Sires | Democratic | 2006 | Incumbent re-elected. | ▌Y Albio Sires (Democratic) 78.1% ▌John Muniz (Republican) 18.7% |
| New Jersey 9 | D+16 | Bill Pascrell | Democratic | 1996 | Incumbent re-elected. | ▌Y Bill Pascrell (Democratic) 70.3% ▌Eric Fisher (Republican) 28.9% ▌Claudio Belusic (Independent) 0.8% |
| New Jersey 10 | D+36 | Donald Payne Jr. | Democratic | 2012 (Special) | Incumbent re-elected. | ▌Y Donald Payne Jr. (Democratic) 87.6% ▌Agha Khan (Republican) 10.1% ▌Cynthia Johnson (Independent) 1.0% ▌Joanne Miller (Independent) 1.0% ▌Scott Dirona (Independent) 0.3% |
| New Jersey 11 | R+3 | Rodney Frelinghuysen | Republican | 1994 | Incumbent retired. Democratic gain. | ▌Y Mikie Sherrill (Democratic) 56.8% ▌Jay Webber (Republican) 42.1% ▌Robert Crook (Independent) 0.7% ▌Ryan Martinez (Independent) 0.4% |
| New Jersey 12 | D+16 | Bonnie Watson Coleman | Democratic | 2014 | Incumbent re-elected. | ▌Y Bonnie Watson Coleman (Democratic) 68.7% ▌Daryl Kipnis (Republican) 31.3% |

## New Mexico

The state congressional delegation changed from 2–1 for Democrats to all 3 seats controlled by Democrats.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| New Mexico 1 | D+7 | Michelle Luján Grisham | Democratic | 2012 | Incumbent retired to run for Governor of New Mexico. Democratic hold. | ▌Y Deb Haaland (Democratic) 59.1% ▌Janice Arnold-Jones (Republican) 36.3% ▌Lloyd Princeton (Libertarian) 4.6% |
| New Mexico 2 | R+6 | Steve Pearce | Republican | 2002 2008 (retired) 2010 | Incumbent retired to run for Governor of New Mexico. Democratic gain. | ▌Y Xochitl Torres Small (Democratic) 50.9% ▌Yvette Herrell (Republican) 49.1% |
| New Mexico 3 | D+8 | Ben Ray Luján | Democratic | 2008 | Incumbent re-elected. | ▌Y Ben Ray Luján (Democratic) 63.4% ▌Jerald Steve McFall (Republican) 31.2% ▌Christopher Manning (Libertarian) 5.4% |

## New York

Democrats increased their seat majority in New York's congressional delegation from 18–9 to 21–6.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| New York 1 | R+5 | Lee Zeldin | Republican | 2014 | Incumbent re-elected. | ▌Y Lee Zeldin (Republican) 51.5% ▌Perry Gershon (Democratic) 47.4% ▌Kate Browning (Women's Equality) 1.1% |
| New York 2 | R+3 | Peter King | Republican | 1992 | Incumbent re-elected. | ▌Y Peter King (Republican) 53.1% ▌Liuba Grechen Shirley (Democratic) 46.9% |
| New York 3 | D+1 | Thomas Suozzi | Democratic | 2016 | Incumbent re-elected. | ▌Y Thomas Suozzi (Democratic) 59.0% ▌Dan DeBono (Republican) 41.0% |
| New York 4 | D+4 | Kathleen Rice | Democratic | 2014 | Incumbent re-elected. | ▌Y Kathleen Rice (Democratic) 61.3% ▌Ameer Benno (Republican) 38.7% |
| New York 5 | D+37 | Gregory Meeks | Democratic | 1998 | Incumbent re-elected. | ▌Y Gregory Meeks (Democratic) Uncontested |
| New York 6 | D+16 | Grace Meng | Democratic | 2012 | Incumbent re-elected. | ▌Y Grace Meng (Democratic) 90.9% ▌Tom Hillgardner (Green) 9.1% |
| New York 7 | D+38 | Nydia Velázquez | Democratic | 1992 | Incumbent re-elected. | ▌Y Nydia Velázquez (Democratic) 93.4% ▌Joseph Lieberman (Conservative) 5.5% ▌Jeff Kurzon (Reform) 1.1% |
| New York 8 | D+36 | Hakeem Jeffries | Democratic | 2012 | Incumbent re-elected. | ▌Y Hakeem Jeffries (Democratic) 94.2% ▌Ernest Johnson (Conservative) 5.2% ▌Jessica White (Reform) 0.5% |
| New York 9 | D+34 | Yvette Clarke | Democratic | 2006 | Incumbent re-elected. | ▌Y Yvette Clarke (Democratic) 89.3% ▌Lutchi Gayot (Republican) 10.3% ▌Joel Anabilah-Azumah (Reform) 0.4% |
| New York 10 | D+26 | Jerry Nadler | Democratic | 1992 | Incumbent re-elected. | ▌Y Jerry Nadler (Democratic) 82.1% ▌Naomi Levin (Republican) 17.9% |
| New York 11 | R+3 | Dan Donovan | Republican | 2015 (special) | Incumbent lost re-election. Democratic gain. | ▌Y Max Rose (Democratic) 53.0% ▌Dan Donovan (Republican) 46.6% ▌Henry Bardel (Green) 0.4% |
| New York 12 | D+31 | Carolyn Maloney | Democratic | 1992 | Incumbent re-elected. | ▌Y Carolyn Maloney (Democratic) 86.4% ▌Eliot Rabin (Republican) 12.1% ▌Scott Hutchins (Green) 1.5% |
| New York 13 | D+43 | Adriano Espaillat | Democratic | 2016 | Incumbent re-elected. | ▌Y Adriano Espaillat (Democratic) 94.6% ▌Jineea Butler (Republican) 5.4% |
| New York 14 | D+29 | Joe Crowley | Democratic | 1998 | Incumbent lost renomination, but remained on ballot. New member elected. Democratic hold. | ▌Y Alexandria Ocasio-Cortez (Democratic) 78.2% ▌Anthony Pappas (Republican) 13.6% ▌Joe Crowley (Working Families) 6.6% ▌Elizabeth Perri (Conservative) 1.6% |
| New York 15 | D+44 | José E. Serrano | Democratic | 1990 | Incumbent re-elected. | ▌Y José E. Serrano (Democratic) 96.0% ▌Jason Gonzalez (Republican) 4.0% |
| New York 16 | D+24 | Eliot Engel | Democratic | 1988 | Incumbent re-elected. | ▌Y Eliot Engel (Democratic) Uncontested |
| New York 17 | D+7 | Nita Lowey | Democratic | 1988 | Incumbent re-elected. | ▌Y Nita Lowey (Democratic) 88.0% ▌Joe Ciardullo (Reform) 12.0% |
| New York 18 | R+1 | Sean Patrick Maloney | Democratic | 2012 | Incumbent re-elected. | ▌Y Sean Patrick Maloney (Democratic) 55.5% ▌James O'Donnell (Republican) 44.5% |
| New York 19 | R+2 | John Faso | Republican | 2016 | Incumbent lost re-election. Democratic gain. | ▌Y Antonio Delgado (Democratic) 51.4% ▌John Faso (Republican) 46.2% ▌Steven Greenfield (Green) 1.5% ▌Diane Neal (Independent) 1.0% |
| New York 20 | D+7 | Paul Tonko | Democratic | 2008 | Incumbent re-elected. | ▌Y Paul Tonko (Democratic) 66.5% ▌Joe Vitollo (Republican) 33.5% |
| New York 21 | R+4 | Elise Stefanik | Republican | 2014 | Incumbent re-elected. | ▌Y Elise Stefanik (Republican) 56.1% ▌Tedra Cobb (Democratic) 42.4% ▌Lynn Kahn (Green) 1.5% |
| New York 22 | R+6 | Claudia Tenney | Republican | 2016 | Incumbent lost re-election. Democratic gain. | ▌Y Anthony Brindisi (Democratic) 50.9% ▌Claudia Tenney (Republican) 49.1% |
| New York 23 | R+6 | Tom Reed | Republican | 2010 (special) | Incumbent re-elected. | ▌Y Tom Reed (Republican) 54.2% ▌Tracy Mitrano (Democratic) 45.8% |
| New York 24 | D+3 | John Katko | Republican | 2014 | Incumbent re-elected. | ▌Y John Katko (Republican) 52.6% ▌Dana Balter (Democratic) 47.4% |
| New York 25 | D+8 | Vacant | Vacant | Vacant | Incumbent Louise Slaughter died March 16, 2018. Democratic hold. Winner was also elected to fill unexpired term, see above. | ▌Y Joseph Morelle (Democratic) 59.0% ▌Jim Maxwell (Republican) 41.0% |
| New York 26 | D+11 | Brian Higgins | Democratic | 2004 | Incumbent re-elected. | ▌Y Brian Higgins (Democratic) 73.3% ▌Renee Zeno (Republican) 26.7% |
| New York 27 | R+11 | Chris Collins | Republican | 2012 | Incumbent re-elected. | ▌Y Chris Collins (Republican) 49.1% ▌Nate McMurray (Democratic) 48.8% ▌Larry Piegza (Reform) 2.1% |

## North Carolina

Due to allegations of electoral fraud, the 116th Congress was sworn in with one seat vacant. On February 21, 2019, a new election was ordered by the state election board.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| North Carolina 1 | D+17 | G. K. Butterfield | Democratic | 2004 (special) | Incumbent re-elected. | ▌Y G. K. Butterfield (Democratic) 69.8% ▌Roger Allison (Republican) 30.2% |
| North Carolina 2 | R+7 | George Holding | Republican | 2012 | Incumbent re-elected. | ▌Y George Holding (Republican) 51.3% ▌Linda Coleman (Democratic) 45.8% ▌Jeff Matemu (Libertarian) 2.9% |
| North Carolina 3 | R+12 | Walter B. Jones Jr. | Republican | 1994 | Incumbent re-elected. | ▌Y Walter B. Jones Jr. (Republican) Uncontested |
| North Carolina 4 | D+17 | David Price | Democratic | 1986 1994 (defeated) 1996 | Incumbent re-elected. | ▌Y David Price (Democratic) 72.4% ▌Steve Von Loor (Republican) 24.0% ▌Barbara Howe (Libertarian) 3.6% |
| North Carolina 5 | R+10 | Virginia Foxx | Republican | 2004 | Incumbent re-elected. | ▌Y Virginia Foxx (Republican) 57.0% ▌D. D. Adams (Democratic) 43.0% |
| North Carolina 6 | R+9 | Mark Walker | Republican | 2014 | Incumbent re-elected. | ▌Y Mark Walker (Republican) 56.5% ▌Ryan Watts (Democratic) 43.5% |
| North Carolina 7 | R+9 | David Rouzer | Republican | 2014 | Incumbent re-elected. | ▌Y David Rouzer (Republican) 55.5% ▌Kyle Horton (Democratic) 42.8% ▌David Fallin (Constitution) 1.6% |
| North Carolina 8 | R+8 | Richard Hudson | Republican | 2012 | Incumbent re-elected. | ▌Y Richard Hudson (Republican) 55.3% ▌Frank McNeill (Democratic) 44.7% |
| North Carolina 9 | R+8 | Robert Pittenger | Republican | 2012 | Incumbent lost renomination. Results void and new election ordered. Republican loss. | ▌Mark Harris (Republican) 49.3% ▌Dan McCready (Democratic) 48.9% ▌Jeff Scott (Libertarian) 1.8% |
| North Carolina 10 | R+12 | Patrick McHenry | Republican | 2004 | Incumbent re-elected. | ▌Y Patrick McHenry (Republican) 59.3% ▌David Brown (Democratic) 40.7% |
| North Carolina 11 | R+14 | Mark Meadows | Republican | 2012 | Incumbent re-elected. | ▌Y Mark Meadows (Republican) 59.2% ▌Phillip Price (Democratic) 38.7% ▌Clifton Ingram (Libertarian) 2.0% |
| North Carolina 12 | D+18 | Alma Adams | Democratic | 2014 | Incumbent re-elected. | ▌Y Alma Adams (Democratic) 73.1% ▌Paul Wright (Republican) 26.9% |
| North Carolina 13 | R+6 | Ted Budd | Republican | 2016 | Incumbent re-elected. | ▌Y Ted Budd (Republican) 51.5% ▌Kathy Manning (Democratic) 45.5% ▌Tom Bailey (Libertarian) 2.0% |

## North Dakota

Republicans maintained control of the sole house seat.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| North Dakota at-large | R+16 | Kevin Cramer | Republican | 2012 | Incumbent retired to run for U.S. Senator. Republican hold. | ▌Y Kelly Armstrong (Republican) 60.3% ▌Mac Schneider (Democratic-NPL) 35.6% ▌Charles Tuttle (Independent) 4.1% |

## Ohio

The state congressional delegation remained the same at 12–4 for Republicans.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Ohio 1 | R+5 | Steve Chabot | Republican | 1994 2008 (defeated) 2010 | Incumbent re-elected. | ▌Y Steve Chabot (Republican) 51.3% ▌Aftab Pureval (Democratic) 46.9% ▌Dirk Kubala (Libertarian) 1.8% |
| Ohio 2 | R+9 | Brad Wenstrup | Republican | 2012 | Incumbent re-elected. | ▌Y Brad Wenstrup (Republican) 57.6% ▌Jill Schiller (Democratic) 41.2% ▌James Condit (Green) 1.2% |
| Ohio 3 | D+19 | Joyce Beatty | Democratic | 2012 | Incumbent re-elected. | ▌Y Joyce Beatty (Democratic) 73.6% ▌James Burgess (Republican) 26.4% |
| Ohio 4 | R+14 | Jim Jordan | Republican | 2006 | Incumbent re-elected. | ▌Y Jim Jordan (Republican) 65.3% ▌Janet Garrett (Democratic) 34.7% |
| Ohio 5 | R+11 | Bob Latta | Republican | 2006 | Incumbent re-elected. | ▌Y Bob Latta (Republican) 62.3% ▌Michael Galbraith (Democratic) 35.1% ▌Don Kissick (Libertarian) 2.6% |
| Ohio 6 | R+16 | Bill Johnson | Republican | 2010 | Incumbent re-elected. | ▌Y Bill Johnson (Republican) 69.3% ▌Shawna Roberts (Democratic) 30.7% |
| Ohio 7 | R+12 | Bob Gibbs | Republican | 2010 | Incumbent re-elected. | ▌Y Bob Gibbs (Republican) 58.7% ▌Ken Harbaugh (Democratic) 41.3% |
| Ohio 8 | R+17 | Warren Davidson | Republican | 2016 (special) | Incumbent re-elected. | ▌Y Warren Davidson (Republican) 66.6% ▌Vanessa Enoch (Democratic) 33.4% |
| Ohio 9 | D+14 | Marcy Kaptur | Democratic | 1982 | Incumbent re-elected. | ▌Y Marcy Kaptur (Democratic) 67.8% ▌Steve Kraus (Republican) 32.2% |
| Ohio 10 | R+4 | Mike Turner | Republican | 2002 | Incumbent re-elected. | ▌Y Mike Turner (Republican) 55.9% ▌Theresa Gasper (Democratic) 42.2% ▌David Harlow (Libertarian) 1.9% |
| Ohio 11 | D+32 | Marcia Fudge | Democratic | 2006 | Incumbent re-elected. | ▌Y Marcia Fudge (Democratic) 82.2% ▌Beverly Goldstein (Republican) 17.8% |
| Ohio 12 | R+7 | Troy Balderson | Republican | 2018 (special) | Incumbent re-elected. | ▌Y Troy Balderson (Republican) 51.4% ▌Danny O'Connor (Democratic) 47.2% ▌Joseph Manchik (Green) 1.4% |
| Ohio 13 | D+7 | Tim Ryan | Democratic | 2002 | Incumbent re-elected. | ▌Y Tim Ryan (Democratic) 61.0% ▌Chris DePizzo (Republican) 39.0% |
| Ohio 14 | R+5 | David Joyce | Republican | 2012 | Incumbent re-elected. | ▌Y David Joyce (Republican) 55.2% ▌Betsy Rader (Democratic) 44.8% |
| Ohio 15 | R+7 | Steve Stivers | Republican | 2010 | Incumbent re-elected. | ▌Y Steve Stivers (Republican) 58.3% ▌Rick Neal (Democratic) 39.7% ▌Johnathan Miller (Libertarian) 2.0% |
| Ohio 16 | R+8 | Jim Renacci | Republican | 2010 | Incumbent retired to run for U.S. Senator. Republican hold. | ▌Y Anthony Gonzalez (Republican) 56.7% ▌Susan Moran Palmer (Democratic) 43.3% |

## Oklahoma

The state congressional delegation changed from 5–0 for Republicans to a 4–1 Republican majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Oklahoma 1 | R+17 | Vacant | Vacant | Vacant | Jim Bridenstine (R) resigned April 23, 2018 to become NASA Administrator. Republican hold. | ▌Y Kevin Hern (Republican) 59.3% ▌Tim Gilpin (Democratic) 40.7% |
| Oklahoma 2 | R+24 | Markwayne Mullin | Republican | 2012 | Incumbent re-elected. | ▌Y Markwayne Mullin (Republican) 65.0% ▌Jason Nichols (Democratic) 30.1% ▌John Foreman (Independent) 3.0% ▌Richard Castaldo (Libertarian) 1.9% |
| Oklahoma 3 | R+27 | Frank Lucas | Republican | 1994 | Incumbent re-elected. | ▌Y Frank Lucas (Republican) 73.9% ▌Frankie Robbins (Democratic) 26.1% |
| Oklahoma 4 | R+20 | Tom Cole | Republican | 2002 | Incumbent re-elected. | ▌Y Tom Cole (Republican) 63.1% ▌Mary Brannon (Democratic) 33.0% ▌Ruby Peters (Independent) 3.9% |
| Oklahoma 5 | R+10 | Steve Russell | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Kendra Horn (Democratic) 50.7% ▌Steve Russell (Republican) 49.3% |

## Oregon

The state congressional delegation remained the same, with a 4–1 Democratic majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Oregon 1 | D+9 | Suzanne Bonamici | Democratic | 2012 (special) | Incumbent re-elected. | ▌Y Suzanne Bonamici (Democratic) 63.7% ▌John Verbeek (Republican) 32.1% ▌Drew Layda (Pacific Green) 4.2% |
| Oregon 2 | R+11 | Greg Walden | Republican | 1998 | Incumbent re-elected. | ▌Y Greg Walden (Republican) 56.3% ▌Jamie McLeod-Skinner (Democratic) 39.4% ▌Mark Roberts (Independent) 4.2% |
| Oregon 3 | D+24 | Earl Blumenauer | Democratic | 1996 | Incumbent re-elected. | ▌Y Earl Blumenauer (Democratic) 72.7% ▌Tom Harrison (Republican) 19.9% ▌Marc Koller (Independent) 5.5% ▌Gary Dye (Libertarian) 1.5% ▌Michael Marsh (Constitution) 0.4% |
| Oregon 4 | EVEN | Peter DeFazio | Democratic | 1986 | Incumbent re-elected. | ▌Y Peter DeFazio (Democratic) 56.0% ▌Art Robinson (Republican) 40.9% ▌Mike Beilstein (Pacific Green) 1.6% ▌Richard Johnson (Libertarian) 1.4% |
| Oregon 5 | EVEN | Kurt Schrader | Democratic | 2008 | Incumbent re-elected. | ▌Y Kurt Schrader (Democratic) 55.1% ▌Mark Callahan (Republican) 41.9% ▌Dan Souza (Libertarian) 1.7% ▌Marvin Sandnes (Pacific Green) 1.3% |

## Pennsylvania

As a result of changes in the congressional map, the state congressional delegation changed from a 13–5 Republican majority to a 9–9 split.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Pennsylvania 1 | R+1 | Brian Fitzpatrick Redistricted from the 8th district | Republican | 2016 | Incumbent re-elected. | ▌Y Brian Fitzpatrick (Republican) 51.3% ▌Scott Wallace (Democratic) 48.7% |
| Pennsylvania 2 | D+25 | Brendan Boyle Redistricted from the 13th district | Democratic | 2014 | Incumbent re-elected. | ▌Y Brendan Boyle (Democratic) 79.0% ▌David Torres (Republican) 21.0% |
| Pennsylvania 2 | D+25 | Bob Brady Redistricted from the 1st district | Democratic | 1998 (special) | Incumbent retired. Democratic loss. | ▌Y Brendan Boyle (Democratic) 79.0% ▌David Torres (Republican) 21.0% |
| Pennsylvania 3 | D+41 | Dwight Evans Redistricted from the 2nd district | Democratic | 2016 | Incumbent re-elected. | ▌Y Dwight Evans (Democratic) 93.4% ▌Bryan Leib (Republican) 6.6% |
| Pennsylvania 4 | D+7 | None (New seat) | None (New seat) | None (New seat) | New seat. Democratic gain. | ▌Y Madeleine Dean (Democratic) 63.5% ▌Dan David (Republican) 36.5% |
| Pennsylvania 5 | D+13 | Vacant | Vacant | Vacant | Pat Meehan (R) resigned April 27, 2018, after being redistricted from the 7th district. Democratic gain. Winner was also elected to fill unexpired term, see above. | ▌Y Mary Gay Scanlon (Democratic) 65.2% ▌Pearl Kim (Republican) 34.8% |
| Pennsylvania 6 | D+2 | Ryan Costello | Republican | 2014 | Incumbent retired. Democratic gain. | ▌Y Chrissy Houlahan (Democratic) 58.9% ▌Greg McCauley (Republican) 41.1% |
| Pennsylvania 7 | D+1 | Vacant | Vacant | Vacant | Charlie Dent (R) resigned May 12, 2018, after being redistricted from the 15th district. Democratic gain. Winner was also elected to fill unexpired term, see above. | ▌Y Susan Wild (Democratic) 53.5% ▌Marty Nothstein (Republican) 43.5% ▌Tom Silfies (Libertarian) 3.0% |
| Pennsylvania 8 | R+1 | Matt Cartwright Redistricted from the 17th district | Democratic | 2012 | Incumbent re-elected. | ▌Y Matt Cartwright (Democratic) 54.6% ▌John Chrin (Republican) 45.4% |
| Pennsylvania 9 | R+14 | Lou Barletta Redistricted from the 11th district | Republican | 2010 | Incumbent retired to run for U.S. Senator. Republican hold. | ▌Y Dan Meuser (Republican) 59.7% ▌Denny Wolff (Democratic) 40.3% |
| Pennsylvania 10 | R+6 | Scott Perry Redistricted from the 4th district | Republican | 2012 | Incumbent re-elected. | ▌Y Scott Perry (Republican) 51.3% ▌George Scott (Democratic) 48.7% |
| Pennsylvania 11 | R+14 | Lloyd Smucker Redistricted from the 16th district | Republican | 2016 | Incumbent re-elected. | ▌Y Lloyd Smucker (Republican) 59.0% ▌Jess King (Democratic) 41.0% |
| Pennsylvania 12 | R+17 | Tom Marino Redistricted from the 10th district | Republican | 2010 | Incumbent re-elected. | ▌Y Tom Marino (Republican) 66.0% ▌Marc Friedenberg (Democratic) 34.0% |
| Pennsylvania 13 | R+22 | Bill Shuster Redistricted from the 9th district | Republican | 2002 | Incumbent retired. Republican hold. | ▌Y John Joyce (Republican) 70.5% ▌Brent Ottaway (Democratic) 29.5% |
| Pennsylvania 14 | R+14 | None (New seat) | None (New seat) | None (New seat) | New seat. Republican gain. | ▌Y Guy Reschenthaler (Republican) 57.9% ▌Bibiana Boerio (Democratic) 42.1% |
| Pennsylvania 15 | R+20 | Glenn Thompson Redistricted from the 5th district | Republican | 2008 | Incumbent re-elected. | ▌Y Glenn Thompson (Republican) 67.8% ▌Susan Boser (Democratic) 32.2% |
| Pennsylvania 16 | R+8 | Mike Kelly Redistricted from the 3rd district | Republican | 2010 | Incumbent re-elected. | ▌Y Mike Kelly (Republican) 51.6% ▌Ron DiNicola (Democratic) 47.3% ▌Bill Beeman (Libertarian) 1.1% |
| Pennsylvania 17 | R+3 | Conor Lamb Redistricted from the 18th district | Democratic | 2018 (special) | Incumbent re-elected. | ▌Y Conor Lamb (Democratic) 56.3% ▌Keith Rothfus (Republican) 43.7% |
| Pennsylvania 17 | R+3 | Keith Rothfus Redistricted from the 12th district | Republican | 2012 | Incumbent lost re-election. Republican loss. | ▌Y Conor Lamb (Democratic) 56.3% ▌Keith Rothfus (Republican) 43.7% |
| Pennsylvania 18 | D+13 | Mike Doyle Redistricted from the 14th district | Democratic | 1994 | Incumbent re-elected. | ▌Y Mike Doyle (Democratic) 100% |

## Rhode Island

The state congressional delegation remained unchanged at 2–0 for Democrats.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Rhode Island 1 | D+16 | David Cicilline | Democratic | 2010 | Incumbent re-elected. | ▌Y David Cicilline (Democratic) 66.9% ▌Patrick Donovan (Republican) 33.1% |
| Rhode Island 2 | D+6 | James Langevin | Democratic | 2000 | Incumbent re-elected. | ▌Y James Langevin (Democratic) 63.6% ▌Sal Caiozzo (Republican) 36.4% |

## South Carolina

The state congressional delegation changed from 6–1 for Republicans to 5–2 for Republicans.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| South Carolina 1 | R+10 | Mark Sanford | Republican | 1994 2000 (retired) 2013 (special) | Incumbent lost renomination. Democratic gain. | ▌Y Joe Cunningham (Democratic) 50.7% ▌Katie Arrington (Republican) 49.3% |
| South Carolina 2 | R+12 | Joe Wilson | Republican | 2001 (special) | Incumbent re-elected. | ▌Y Joe Wilson (Republican) 56.3% ▌Sean Carrigan (Democratic) 42.5% ▌Sonny Narang (American) 1.2% |
| South Carolina 3 | R+19 | Jeff Duncan | Republican | 2010 | Incumbent re-elected. | ▌Y Jeff Duncan (Republican) 67.8% ▌Mary Geren (Democratic) 31.0% ▌Dave Moore (American) 1.2% |
| South Carolina 4 | R+15 | Trey Gowdy | Republican | 2010 | Incumbent retired. Republican hold. | ▌Y William Timmons (Republican) 59.6% ▌Brandon Brown (Democratic) 36.6% ▌Guy Furay (American) 3.8% |
| South Carolina 5 | R+9 | Ralph Norman | Republican | 2017 (special) | Incumbent re-elected. | ▌Y Ralph Norman (Republican) 57.1% ▌Archie Parnell (Democratic) 41.5% ▌Michael Chandler (Constitution) 1.4% |
| South Carolina 6 | D+19 | Jim Clyburn | Democratic | 1992 | Incumbent re-elected. | ▌Y Jim Clyburn (Democratic) 70.2% ▌Gerhard Gressmann (Republican) 28.3% ▌Bryan Pugh (Green) 1.5% |
| South Carolina 7 | R+9 | Tom Rice | Republican | 2012 | Incumbent re-elected. | ▌Y Tom Rice (Republican) 59.6% ▌Robert Williams (Democratic) 40.4% |

## South Dakota

Republicans retained control of the sole seat in the state.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| South Dakota at-large | R+14 | Kristi Noem | Republican | 2010 | Incumbent retired to run for Governor of South Dakota. Republican hold. | ▌Y Dusty Johnson (Republican) 60.3% ▌Tim Bjorkman (Democratic) 36.0% ▌Ron Wieczorek (Independent) 2.2% ▌George Hendrickson (Libertarian) 1.5% |

## Tennessee

Republicans maintained their 7-2 seat majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Tennessee 1 | R+28 | Phil Roe | Republican | 2008 | Incumbent re-elected. | ▌Y Phil Roe (Republican) 77.1% ▌Marty Olsen (Democratic) 21.0% ▌Michael Salyer (Independent) 1.9% |
| Tennessee 2 | R+20 | Jimmy Duncan | Republican | 1988 (special) | Incumbent retired. Republican hold. | ▌Y Tim Burchett (Republican) 65.9% ▌Renee Hoyos (Democratic) 33.1% Others ▌Greg Samples (Libertarian) 0.4% ▌Jeffrey Grunau (Independent) 0.3% ▌Marc Whitmire (Independent) 0.2% ▌Keith LaTorre (Independent) 0.1% |
| Tennessee 3 | R+18 | Chuck Fleischmann | Republican | 2010 | Incumbent re-elected. | ▌Y Chuck Fleischmann (Republican) 63.7% ▌Danielle Mitchell (Democratic) 34.5% ▌Rick Tyler (Independent) 1.8% |
| Tennessee 4 | R+20 | Scott DesJarlais | Republican | 2010 | Incumbent re-elected. | ▌Y Scott DesJarlais (Republican) 63.4% ▌Mariah Phillips (Democratic) 33.6% ▌Michael Shupe (Independent) 3.0% |
| Tennessee 5 | D+7 | Jim Cooper | Democratic | 1982 1994 (retired) 2002 | Incumbent re-elected. | ▌Y Jim Cooper (Democratic) 67.8% ▌Jody Ball (Republican) 32.2% |
| Tennessee 6 | R+24 | Diane Black | Republican | 2010 | Incumbent retired to run for Governor of Tennessee. Republican hold. | ▌Y John Rose (Republican) 69.5% ▌Dawn Barlow (Democratic) 28.3% ▌David Ross (Libertarian) 1.4% ▌Lloyd Dunn (Independent) 0.9% |
| Tennessee 7 | R+20 | Marsha Blackburn | Republican | 2002 | Incumbent retired to run for U.S. Senator. Republican hold. | ▌Y Mark Green (Republican) 66.9% ▌Justin Kanew (Democratic) 32.1% Others ▌Lenny Ladner (Independent) 0.6% ▌Brent Legendre (Independent) 0.4% |
| Tennessee 8 | R+19 | David Kustoff | Republican | 2016 | Incumbent re-elected. | ▌Y David Kustoff (Republican) 67.7% ▌Erika Stotts Pearson (Democratic) 30.1% ▌James Hart (Independent) 2.2% |
| Tennessee 9 | D+28 | Steve Cohen | Democratic | 2006 | Incumbent re-elected. | ▌Y Steve Cohen (Democratic) 80.0% ▌Charlotte Bergmann (Republican) 19.2% ▌Leo AwGoWhat (Independent) 0.8% |

## Texas

The state congressional delegation changed from a 25–11 Republican majority to a 23–13 Republican majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Texas 1 | R+25 | Louie Gohmert | Republican | 2004 | Incumbent re-elected. | ▌Y Louie Gohmert (Republican) 72.3% ▌Shirley McKellar (Democratic) 26.3% ▌Jeff Callaway (Libertarian) 1.4% |
| Texas 2 | R+11 | Ted Poe | Republican | 2004 | Incumbent retired. Republican hold. | ▌Y Dan Crenshaw (Republican) 52.8% ▌Todd Litton (Democratic) 45.6% ▌Patrick Gunnels (Libertarian) 0.9% ▌Scott Cubbler (Independent) 0.7% |
| Texas 3 | R+13 | Sam Johnson | Republican | 1991 (special) | Incumbent retired. Republican hold. | ▌Y Van Taylor (Republican) 54.3% ▌Lorie Burch (Democratic) 44.3% ▌Christopher Claytor (Libertarian) 1.4% |
| Texas 4 | R+28 | John Ratcliffe | Republican | 2014 | Incumbent re-elected. | ▌Y John Ratcliffe (Republican) 75.7% ▌Catherine Krantz (Democratic) 23.0% ▌Ken Ashby (Libertarian) 1.3% |
| Texas 5 | R+16 | Jeb Hensarling | Republican | 2002 | Incumbent retired. Republican hold. | ▌Y Lance Gooden (Republican) 62.4% ▌Dan Wood (Democratic) 37.6% |
| Texas 6 | R+9 | Joe Barton | Republican | 1984 | Incumbent retired. Republican hold. | ▌Y Ron Wright (Republican) 53.1% ▌Jana Lynne Sanchez (Democratic) 45.4% ▌Jason Allen Harber (Libertarian) 1.5% |
| Texas 7 | R+7 | John Culberson | Republican | 2000 | Incumbent lost re-election. Democratic gain. | ▌Y Lizzie Fletcher (Democratic) 52.5% ▌John Culberson (Republican) 47.5% |
| Texas 8 | R+28 | Kevin Brady | Republican | 1996 | Incumbent re-elected. | ▌Y Kevin Brady (Republican) 73.4% ▌Steven David (Democratic) 24.9% ▌Chris Duncan (Libertarian) 1.7% |
| Texas 9 | D+29 | Al Green | Democratic | 2004 | Incumbent re-elected. | ▌Y Al Green (Democratic) 89.1% ▌Phil Kurtz (Libertarian) 3.9% ▌Benjamin Hernandez (Independent) 3.8% ▌Kesha Rogers (Independent) 3.3% |
| Texas 10 | R+9 | Michael McCaul | Republican | 2004 | Incumbent re-elected. | ▌Y Michael McCaul (Republican) 51.1% ▌Mike Siegel (Democratic) 46.8% ▌Mike Ryan (Libertarian) 2.1% |
| Texas 11 | R+32 | Mike Conaway | Republican | 2004 | Incumbent re-elected. | ▌Y Mike Conaway (Republican) 80.1% ▌Jennie Lou Leeder (Democratic) 18.4% ▌Rhett Rosenquest Smith (Libertarian) 1.5% |
| Texas 12 | R+18 | Kay Granger | Republican | 1996 | Incumbent re-elected. | ▌Y Kay Granger (Republican) 64.3% ▌Vanessa Adia (Democratic) 33.9% ▌Jacob Leddy (Libertarian) 1.8% |
| Texas 13 | R+33 | Mac Thornberry | Republican | 1994 | Incumbent re-elected. | ▌Y Mac Thornberry (Republican) 81.5% ▌Greg Sagan (Democratic) 16.9% ▌Calvin DeWeese (Libertarian) 1.6% |
| Texas 14 | R+12 | Randy Weber | Republican | 2012 | Incumbent re-elected. | ▌Y Randy Weber (Republican) 59.2% ▌Adrienne Bell (Democratic) 39.3% ▌Don Conley (Libertarian) 1.4% |
| Texas 15 | D+7 | Vicente Gonzalez | Democratic | 2016 | Incumbent re-elected. | ▌Y Vicente Gonzalez (Democratic) 59.7% ▌Tim Westley (Republican) 38.8% ▌Anthony Cristo (Libertarian) 1.5% |
| Texas 16 | D+17 | Beto O'Rourke | Democratic | 2012 | Incumbent retired to run for U.S. Senator. Democratic hold. | ▌Y Veronica Escobar (Democratic) 68.5% ▌Rick Seeberger (Republican) 27.0% ▌Ben Mendoza (Independent) 1.6% |
| Texas 17 | R+12 | Bill Flores | Republican | 2010 | Incumbent re-elected. | ▌Y Bill Flores (Republican) 56.8% ▌Rick Kennedy (Democratic) 41.3% ▌Peter Churchman (Libertarian) 1.9% |
| Texas 18 | D+27 | Sheila Jackson Lee | Democratic | 1994 | Incumbent re-elected. | ▌Y Sheila Jackson Lee (Democratic) 75.2% ▌Ava Pate (Republican) 20.8% ▌Luke Spencer (Libertarian) 2.2% |
| Texas 19 | R+27 | Jodey Arrington | Republican | 2016 | Incumbent re-elected. | ▌Y Jodey Arrington (Republican) 75.2% ▌Miguel Levario (Democratic) 24.8% |
| Texas 20 | D+10 | Joaquin Castro | Democratic | 2012 | Incumbent re-elected. | ▌Y Joaquin Castro (Democratic) 80.9% ▌Jeffrey C. Blunt (Libertarian) 19.1% |
| Texas 21 | R+10 | Lamar Smith | Republican | 1986 | Incumbent retired. Republican hold. | ▌Y Chip Roy (Republican) 50.2% ▌Joseph Kopser (Democratic) 47.6% ▌Lee Santos (Libertarian) 2.1% |
| Texas 22 | R+10 | Pete Olson | Republican | 2008 | Incumbent re-elected. | ▌Y Pete Olson (Republican) 51.4% ▌Sri Preston Kulkarni (Democratic) 46.5% ▌John McElligott (Libertarian) 1.1% ▌Kellen Sweny (Independent) 1.1% |
| Texas 23 | R+1 | Will Hurd | Republican | 2014 | Incumbent re-elected. | ▌Y Will Hurd (Republican) 49.2% ▌Gina Ortiz Jones (Democratic) 48.7% ▌Ruben Corvalan (Libertarian) 2.1% |
| Texas 24 | R+9 | Kenny Marchant | Republican | 2004 | Incumbent re-elected. | ▌Y Kenny Marchant (Republican) 50.6% ▌Jan McDowell (Democratic) 47.5% ▌Mike Kolls (Libertarian) 1.8% |
| Texas 25 | R+11 | Roger Williams | Republican | 2012 | Incumbent re-elected. | ▌Y Roger Williams (Republican) 53.5% ▌Julie Oliver (Democratic) 44.8% ▌Desarae Lindsey (Libertarian) 1.7% |
| Texas 26 | R+18 | Michael C. Burgess | Republican | 2002 | Incumbent re-elected. | ▌Y Michael C. Burgess (Republican) 59.4% ▌Linsey Fagan (Democratic) 39.0% ▌Mark Boler (Libertarian) 1.6% |
| Texas 27 | R+13 | Michael Cloud | Republican | 2018 (special) | Incumbent re-elected. | ▌Y Michael Cloud (Republican) 60.3% ▌Eric Holguin (Democratic) 36.6% ▌James Duerr (Independent) 2.1% ▌Daniel Tinus (Libertarian) 1.0% |
| Texas 28 | D+9 | Henry Cuellar | Democratic | 2004 | Incumbent re-elected. | ▌Y Henry Cuellar (Democratic) 84.4% ▌Arthur Thomas (Libertarian) 15.6% |
| Texas 29 | D+19 | Gene Green | Democratic | 1992 | Incumbent retired. Democratic hold. | ▌Y Sylvia Garcia (Democratic) 75.1% ▌Phillip Aronoff (Republican) 23.9% ▌Cullen Burns (Libertarian) 1.0% |
| Texas 30 | D+29 | Eddie Bernice Johnson | Democratic | 1992 | Incumbent re-elected. | ▌Y Eddie Bernice Johnson (Democratic) 91.1% ▌Shawn Jones (Libertarian) 8.9% |
| Texas 31 | R+10 | John Carter | Republican | 2002 | Incumbent re-elected. | ▌Y John Carter (Republican) 50.6% ▌MJ Hegar (Democratic) 47.7% ▌Jason Hope (Libertarian) 1.7% |
| Texas 32 | R+5 | Pete Sessions | Republican | 1996 | Incumbent lost re-election. Democratic gain. | ▌Y Colin Allred (Democratic) 52.3% ▌Pete Sessions (Republican) 45.8% ▌Melina Baker (Libertarian) 2.0% |
| Texas 33 | D+23 | Marc Veasey | Democratic | 2012 | Incumbent re-elected. | ▌Y Marc Veasey (Democratic) 76.2% ▌Willie Billups (Republican) 21.9% ▌Jason Reeves (Libertarian) 1.9% |
| Texas 34 | D+10 | Filemon Vela Jr. | Democratic | 2012 | Incumbent re-elected. | ▌Y Filemon Vela Jr. (Democratic) 60.0% ▌Rey Gonzalez (Republican) 40.0% |
| Texas 35 | D+15 | Lloyd Doggett | Democratic | 1994 | Incumbent re-elected. | ▌Y Lloyd Doggett (Democratic) 71.3% ▌David Smalling (Republican) 26.0% ▌Clark Patterson (Libertarian) 2.7% |
| Texas 36 | R+26 | Brian Babin | Republican | 2014 | Incumbent re-elected. | ▌Y Brian Babin (Republican) 72.6% ▌Dayna Steele (Democratic) 27.4% |

## Utah

The state congressional delegation changed from 4–0 for Republicans to a 3–1 Republican majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Utah 1 | R+26 | Rob Bishop | Republican | 2002 | Incumbent re-elected. | ▌Y Rob Bishop (Republican) 61.6% ▌Lee Castillo (Democratic) 24.9% ▌Eric Eliason (United Utah) 11.6% ▌Adam Davis (Green) 1.9% |
| Utah 2 | R+16 | Chris Stewart | Republican | 2012 | Incumbent re-elected. | ▌Y Chris Stewart (Republican) 56.1% ▌Shireen Ghorbani (Democratic) 38.9% ▌Jeffrey Whipple (Libertarian) 4.0% |
| Utah 3 | R+25 | John Curtis | Republican | 2017 (special) | Incumbent re-elected. | ▌Y John Curtis (Republican) 67.5% ▌James Singer (Democratic) 27.3% ▌Gregory Duerden (Independent American) 2.6% ▌Timothy Zeidner (United Utah) 2.6% |
| Utah 4 | R+13 | Mia Love | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Ben McAdams (Democratic) 50.1% ▌Mia Love (Republican) 49.9% |

## Vermont

The Democrats maintained control of the sole seat in the state.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Vermont at-large | D+15 | Peter Welch | Democratic | 2006 | Incumbent re-elected. | ▌Y Peter Welch (Democratic) 69.2% ▌Anya Tynio (Republican) 26.0% ▌Cris Ericson (Independent) 3.3% ▌Laura Potter (Liberty Union) 1.4% |

## Virginia

The state congressional delegation flipped from a 7–4 Republican majority to a 7–4 Democratic majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Virginia 1 | R+8 | Rob Wittman | Republican | 2007 (special) | Incumbent re-elected. | ▌Y Rob Wittman (Republican) 55.2% ▌Vangie Williams (Democratic) 44.8% |
| Virginia 2 | R+3 | Scott Taylor | Republican | 2016 | Incumbent lost re-election. Democratic gain. | ▌Y Elaine Luria (Democratic) 51.1% ▌Scott Taylor (Republican) 48.9% |
| Virginia 3 | D+16 | Bobby Scott | Democratic | 1992 | Incumbent re-elected. | ▌Y Bobby Scott (Democratic) 91.2% |
| Virginia 4 | D+10 | Donald McEachin | Democratic | 2016 | Incumbent re-elected. | ▌Y Donald McEachin (Democratic) 62.6% ▌Ryan McAdams (Republican) 36.0% ▌Pete Wells (Libertarian) 1.4% |
| Virginia 5 | R+6 | Tom Garrett | Republican | 2016 | Incumbent retired. Republican hold. | ▌Y Denver Riggleman (Republican) 53.3% ▌Leslie Cockburn (Democratic) 46.7% |
| Virginia 6 | R+13 | Bob Goodlatte | Republican | 1992 | Incumbent retired. Republican hold. | ▌Y Ben Cline (Republican) 59.8% ▌Jennifer Lewis (Democratic) 40.2% |
| Virginia 7 | R+6 | Dave Brat | Republican | 2014 | Incumbent lost re-election. Democratic gain. | ▌Y Abigail Spanberger (Democratic) 50.4% ▌Dave Brat (Republican) 48.4% ▌Joe Walton (Libertarian) 1.2% |
| Virginia 8 | D+21 | Don Beyer | Democratic | 2014 | Incumbent re-elected. | ▌Y Don Beyer (Democratic) 76.3% ▌Thomas Oh (Republican) 23.7% |
| Virginia 9 | R+19 | Morgan Griffith | Republican | 2010 | Incumbent re-elected. | ▌Y Morgan Griffith (Republican) 65.2% ▌Anthony Flaccavento (Democratic) 34.8% |
| Virginia 10 | D+1 | Barbara Comstock | Republican | 2014 | Incumbent lost re-election. New member elected. Democratic gain. | ▌Y Jennifer Wexton (Democratic) 56.2% ▌Barbara Comstock (Republican) 43.8% |
| Virginia 11 | D+15 | Gerry Connolly | Democratic | 2008 | Incumbent re-elected. | ▌Y Gerry Connolly (Democratic) 71.2% ▌Jeff Dove (Republican) 27.0% ▌Stevan Porter (Libertarian) 1.8% |

## Washington

Democrats increased their seat majority from 6–4 to 7–3.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Washington 1 | D+6 | Suzan DelBene | Democratic | 2012 | Incumbent re-elected. | ▌Y Suzan DelBene (Democratic) 59.3% ▌Jeffrey Beeler (Republican) 40.7% |
| Washington 2 | D+10 | Rick Larsen | Democratic | 2000 | Incumbent re-elected. | ▌Y Rick Larsen (Democratic) 71.3% ▌Brian Luke (Libertarian) 28.7% |
| Washington 3 | R+4 | Jaime Herrera Beutler | Republican | 2010 | Incumbent re-elected. | ▌Y Jaime Herrera Beutler (Republican) 52.7% ▌Carolyn Long (Democratic) 47.3% |
| Washington 4 | R+13 | Dan Newhouse | Republican | 2014 | Incumbent re-elected. | ▌Y Dan Newhouse (Republican) 62.8% ▌Christine Brown (Democratic) 37.2% |
| Washington 5 | R+8 | Cathy McMorris Rodgers | Republican | 2004 | Incumbent re-elected. | ▌Y Cathy McMorris Rodgers (Republican) 54.8% ▌Lisa Brown (Democratic) 45.2% |
| Washington 6 | D+6 | Derek Kilmer | Democratic | 2012 | Incumbent re-elected. | ▌Y Derek Kilmer (Democratic) 63.9% ▌Douglas Dightman (Republican) 36.1% |
| Washington 7 | D+33 | Pramila Jayapal | Democratic | 2016 | Incumbent re-elected. | ▌Y Pramila Jayapal (Democratic) 83.6% ▌Craig Keller (Republican) 16.4% |
| Washington 8 | EVEN | Dave Reichert | Republican | 2004 | Incumbent retired. Democratic gain. | ▌Y Kim Schrier (Democratic) 52.4% ▌Dino Rossi (Republican) 47.6% |
| Washington 9 | D+21 | Adam Smith | Democratic | 1996 | Incumbent re-elected. | ▌Y Adam Smith (Democratic) 67.9% ▌Sarah Smith (Democratic) 32.1% |
| Washington 10 | D+5 | Denny Heck | Democratic | 2012 | Incumbent re-elected. | ▌Y Denny Heck (Democratic) 61.5% ▌Joseph Brumbles (Republican) 38.5% |

## West Virginia

The state congressional delegation remained the same at 3–0 for Republicans.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| West Virginia 1 | R+19 | David McKinley | Republican | 2010 | Incumbent re-elected. | ▌Y David McKinley (Republican) 64.6% ▌Kendra Fershee (Democratic) 35.4% |
| West Virginia 2 | R+17 | Alex Mooney | Republican | 2014 | Incumbent re-elected. | ▌Y Alex Mooney (Republican) 54.0% ▌Talley Sergent (Democratic) 43.0% ▌Daniel Lutz (Mountain) 3.1% |
| West Virginia 3 | R+23 | Vacant | Vacant | Vacant | Evan Jenkins (R) resigned September 30, 2018 to join the West Virginia Supreme Court of Appeals. Republican hold. | ▌Y Carol Miller (Republican) 56.4% ▌Richard Ojeda (Democratic) 43.6% |

## Wisconsin

Republicans maintained their 5-3 seat majority.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First elected | Results | Candidates |
| Wisconsin 1 | R+5 | Paul Ryan | Republican | 1998 | Incumbent retired. Republican hold. | ▌Y Bryan Steil (Republican) 54.6% ▌Randy Bryce (Democratic) 42.3% ▌Ken Yorgan (Independent) 3.1% |
| Wisconsin 2 | D+18 | Mark Pocan | Democratic | 2012 | Incumbent re-elected. | ▌Y Mark Pocan (Democratic) 97.4% |
| Wisconsin 3 | Even | Ron Kind | Democratic | 1996 | Incumbent re-elected. | ▌Y Ron Kind (Democratic) 59.7% ▌Steve Toft (Republican) 40.3% |
| Wisconsin 4 | D+25 | Gwen Moore | Democratic | 2004 | Incumbent re-elected. | ▌Y Gwen Moore (Democratic) 75.7% ▌Tim Rogers (Republican) 21.7% ▌Robert Raymond (Independent) 2.6% |
| Wisconsin 5 | R+13 | Jim Sensenbrenner | Republican | 1978 | Incumbent re-elected. | ▌Y Jim Sensenbrenner (Republican) 62.0% ▌Tom Palzewicz (Democratic) 38.0% |
| Wisconsin 6 | R+8 | Glenn Grothman | Republican | 2014 | Incumbent re-elected. | ▌Y Glenn Grothman (Republican) 55.5% ▌Dan Kohl (Democratic) 44.5% |
| Wisconsin 7 | R+8 | Sean Duffy | Republican | 2010 | Incumbent re-elected. | ▌Y Sean Duffy (Republican) 59.9% ▌Margaret Engebretson (Democratic) 38.4% ▌Ken Driessen (Independent) 1.7% |
| Wisconsin 8 | R+7 | Mike Gallagher | Republican | 2016 | Incumbent re-elected. | ▌Y Mike Gallagher (Republican) 63.7% ▌Beau Liegeois (Democratic) 36.3% |

## Wyoming

Republicans maintained control of the sole seat in the state.
| District | District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| Location | 2017 PVI | Representative | Party | First Elected | Results | Candidates |
| Wyoming at-large | R+25 | Liz Cheney | Republican | 2016 | Incumbent re-elected. | ▌Y Liz Cheney (Republican) 63.7% ▌Greg Hunter (Democratic) 29.8% ▌Richard Brubaker (Libertarian) 3.5% ▌Daniel Cummings (Constitution) 3.0% |

## Non-voting delegates
### American Samoa

| District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| District | Delegate | Party | First elected | Results | Candidates |
| American Samoa at-large | Amata Coleman Radewagen | Republican | 2014 | Incumbent re-elected. | ▌Y Amata Coleman Radewagen (Republican) 83.28% ▌Tuika Tuika (Independent) 9.09% ▌Meleagi Suitonu Chapman (Democratic) 7.63% |

### District of Columbia

| District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| District | Delegate | Party | First elected | Results | Candidates |
| District of Columbia at-large | Eleanor Holmes Norton | Democratic | 1990 | Incumbent re-elected. | ▌Y Eleanor Holmes Norton (Democratic) 87.7% ▌Nelson Rimensnyder (Republican) 4.3% ▌Natale Stracuzzi (D.C. Statehood Green) 3.8% ▌Erik Metzroh (Independent) 2.4% ▌Bruce Majors (Libertarian) 1.8% |

### Guam

| District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| District | Delegate | Party | First elected | Results | Candidates |
| Guam at-large | Madeleine Bordallo | Democratic | 2002 | Incumbent lost renomination. Democratic hold. | ▌Y Michael San Nicolas (Democratic) 54.9% ▌Doris Flores Brooks (Republican) 44.0% Write-ins 1.14% |

### Northern Mariana Islands

The election for a non-voting delegate from the Northern Mariana Islands was postponed until Tuesday, November 13, 2018, due to the impact of Typhoon Yutu.
| District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| District | Delegate | Party | First elected | Results | Candidates |
| Northern Mariana Islands at-large | Gregorio Sablan | Independent | 2008 | Incumbent re-elected. | ▌Y Gregorio Sablan (Independent) 63.77% ▌Angel Demapan (Republican) 36.23% |

### Puerto Rico

The Resident Commissioner of Puerto Rico is not up for re-election until 2020. Currently held by Republican Jenniffer González, who was first elected in 2016, the Resident Commissioner is the only member of the United States House of Representatives to serve a four-year term.

### United States Virgin Islands

| District | Incumbent | Incumbent | Incumbent | Results | Candidates |
| District | Delegate | Party | First elected | Results | Candidates |
| United States Virgin Islands at-large | Stacey Plaskett | Democratic | 2014 | Incumbent re-elected. | ▌Y Stacey Plaskett (Democratic) 98.41% Write-ins 1.59% |