# 2017 United States House of Representatives elections

There were six special elections to the United States House of Representatives in 2017 during the 115th United States Congress.
All of the elections were won by the party previously holding the seat. Therefore, there were no net changes in party.
Although Democrats did not gain any seats, their margins were narrower than the districts' Cook Partisan Voting Index.
Elections are sorted by date and district.

## Summary

| District | District | Incumbent | Incumbent | Incumbent | This race |
| Location | Member | Party | First elected | Results | Candidates |
| Kansas 4 | Mike Pompeo | Republican | 2010 | Incumbent resigned January 23, 2017 to become Director of the Central Intelligence Agency. New member elected April 11, 2017. Republican hold. | ▌Y Ron Estes (Republican) 52.2% ▌James Thompson (Democratic) 46.0% ▌Chris Rockhold (Libertarian) 1.7% |
| Montana at-large | Ryan Zinke | Republican | 2014 | Incumbent resigned March 1, 2017 to become U.S. Secretary of the Interior. New member elected May 25, 2017. Republican hold. | ▌Y Greg Gianforte (Republican) 49.95% ▌Rob Quist (Democratic) 44.37% ▌Mark Wicks (Libertarian) 5.68% |
| California 34 | Xavier Becerra | Democratic | 1992 | Incumbent resigned January 24, 2017 to become Attorney General of California. New member elected June 6, 2017. Democratic hold. | ▌Y Jimmy Gomez (Democratic) 59.22% ▌Robert Lee Ahn (Democratic) 40.78% |
| Georgia 6 | Tom Price | Republican | 2004 | Incumbent resigned February 10, 2017 to become U.S. Secretary of Health and Human Services. New member elected June 20, 2017. Republican hold. | ▌Y Karen Handel (Republican) 51.78% ▌Jon Ossoff (Democratic) 48.22% |
| South Carolina 5 | Mick Mulvaney | Republican | 2010 | Incumbent resigned February 16, 2017 to become Director of the Office of Management and Budget. New member elected June 20, 2017. Republican hold. | ▌Y Ralph Norman (Republican) 51.04% ▌Archie Parnell (Democratic) 47.94% |
| Utah 3 | Jason Chaffetz | Republican | 2008 | Incumbent resigned June 30, 2017 for health reasons. New member elected November 7, 2017. Republican hold. | ▌Y John Curtis (Republican) 58.03% ▌Kathie Allen (Democratic) 25.57% ▌Jim Bennett (United Utah) 9.30% ▌Sean Whalen (Independent) 3.08% ▌Joe Buchman (Libertarian) 2.47% ▌Jason Christensen (Ind. American) 1.55% |

## Kansas's 4th congressional district

2017 Kansas's 4th congressional district special election :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Ron Estes | 64,044 | 52.2% | −8.5% |
| | Democratic | James Thompson | 56,435 | 46.0% | +16.4% |
| | Libertarian | Chris Rockhold | 2,115 | 1.7% | −1.1% |
| Total votes | Total votes | Total votes | 122,594 | 100.0% | |
| | Republican hold | Republican hold | Republican hold | Republican hold | Republican hold |

## Montana's at-large congressional district

Montana's at-large congressional district special election, 2017 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Greg Gianforte | 190,520 | 49.95% | −6.24% |
| | Democratic | Rob Quist | 169,214 | 44.37% | +3.82% |
| | Libertarian | Mark Wicks | 21,682 | 5.68% | +2.42% |
| Total votes | Total votes | Total votes | 381,416 | 100.0% | N/A |
| | Republican hold | Republican hold | Republican hold | Republican hold | Republican hold |

## California's 34th congressional district

California's 34th congressional district special general election, 2017 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jimmy Gomez | 25,569 | 59.22% |
| | Democratic | Robert Lee Ahn | 17,610 | 40.78% |
| Total votes | Total votes | Total votes | 43,179 | 100.00% |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Georgia's 6th congressional district

Georgia's 6th congressional district special election (2017) :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Karen Handel | 134,799 | 51.78% | −9.90% |
| | Democratic | Jon Ossoff | 125,517 | 48.22% | +9.90% |
| Total votes | Total votes | Total votes | 260,316 | 100.0% | |
| Majority | Majority | Majority | 9,282 | 3.57% | −19.8% |
| Turnout | Turnout | Turnout | 260,455 | 58.16% | |
| | Republican hold | Republican hold | Republican hold | Republican hold | Republican hold |

## South Carolina's 5th congressional district

South Carolina's 5th congressional district special election, 2017 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Ralph Norman | 45,076 | 51.04% | −8.03% |
| | Democratic | Archie Parnell | 42,341 | 47.94% | +9.17% |
| | American | Josh Thornton | 319 | 0.36% | −1.74% |
| | Libertarian | Victor Kocher | 273 | 0.31% | N/A |
| | Green | David Kulma | 242 | 0.27% | N/A |
| | Write-In | Write-in | 65 | 0.07% | +0.31% |
| Total votes | Total votes | Total votes | 88,316 | 100.0% | |
| | Republican hold | Republican hold | Republican hold | Republican hold | Republican hold |

## Utah's 3rd congressional district

Utah's 3rd congressional district special election, 2017 :
| Party | Party | Candidate | Votes | % |
| | Republican | John Curtis | 85,739 | 58.03% |
| | Democratic | Kathie Allen | 37,778 | 25.57% |
| | United Utah | Jim Bennett | 13,745 | 9.30% |
| | Independent | Sean Whalen | 4,550 | 3.08% |
| | Libertarian | Joe Buchman | 3,643 | 2.47% |
| | Independent American | Jason Christensen | 2,286 | 1.55% |
| | Write-in | Brendan Phillips | — | — |
| | Write-in | Russell Paul Roesler | — | — |
| Total votes | Total votes | Total votes | 147,741 | 100.00% |
| | Republican hold | Republican hold | Republican hold | Republican hold |