# 2018 United States Senate election in Washington

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The 2018 United States Senate election in Washington took place on November 6, 2018, to elect a member of the United States Senate to represent the State of Washington. Incumbent Democrat Maria Cantwell won election to a fourth term over television news journalist Susan Hutchison, a Republican.

## Nonpartisan blanket primary
### Candidates

The primary election featured 30 candidates.

#### Democratic Party
##### Declared

* Maria Cantwell, incumbent senator
* George H. Kalberer
* Don L. Rivers
* Mohammad Said
* Clint Tannehill

#### Republican Party
##### Declared

* Dave Bryant
* Art Coday
* Rocky De La Fuente, businessman and former presidential candidate
* Joey Gibson, activist and founder of Patriot Prayer
* Goodspaceguy, perennial candidate
* Matt Hawkins
* Matthew D. Heines
* Susan Hutchison, former chair of the Washington State Republican Party
* John Orlinski
* Tim Owen
* RC Smith
* Glen Stockwell
* Keith Swank

##### Withdrawn

* Ron Higgins (withdrew May 19, 2018)

##### Endorsements
###### Individuals

* Jaime Herrera Beutler, U.S. representative
* Slade Gorton, former U.S. Senator
* Dan Newhouse, U.S. representative
* Cathy McMorris Rodgers, U.S. representative
* J. T. Wilcox, Washington State House of Representatives Minority Leader
* Kim Wyman, Secretary of State

###### Organizations

* Hunters Heritage Council
* Washington Farm Bureau

#### Independents
##### Declared

* Thor Amundson
* Jon Butler
* Jennifer "GiGi" Ferguson
* Charlie R. Jackson
* Dave Strider

##### Write-in

* Clay Johnson, activist

#### Minor parties

In Washington, primary candidates may declare a preference for any party, and their party preference does not imply that the candidate is nominated or endorsed by the party. Candidates may also declare a preference for new or single-candidate parties.

##### Declared

* Brad Chase (FDFR Party), communications strategist
* James Robert "Jimmie" Deal (Green Party)
* Steve Hoffman (Freedom Socialist Party), union organizer
* Mike Luke (Libertarian Party)
* Alex Tsimerman (StandupAmerica)
* Sam Wright (The Human Rights Party)

#### Notes

* ↑ According to Chase, FDFR stands for "Fuck Democrats Fuck Republicans".

### Results

Blanket primary election results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Maria Cantwell (incumbent) | 929,961 | 54.68% |
| | Republican | Susan Hutchison | 413,317 | 24.30% |
| | Republican | Keith Swank | 39,818 | 2.34% |
| | Republican | Joey Gibson | 38,676 | 2.27% |
| | Democratic | Clint Tannehill | 35,770 | 2.10% |
| | Republican | Dave Bryant | 33,962 | 2.00% |
| | Republican | Art Coday | 30,654 | 1.80% |
| | Independent | Jennifer Gigi Ferguson | 25,224 | 1.48% |
| | Republican | Tim Owen | 23,167 | 1.36% |
| | Republican | Matt Hawkins | 13,324 | 0.78% |
| | Democratic | Don L. Rivers | 12,634 | 0.74% |
| | Libertarian | Mike Luke | 12,302 | 0.72% |
| | Republican | Glen R. Stockwell | 11,611 | 0.68% |
| | Independent | Thor Amundson | 9,393 | 0.55% |
| | Democratic | Mohammad Said | 8,649 | 0.51% |
| | Republican | Matthew D. Heines | 7,737 | 0.45% |
| | Freedom Socialist | Steve Hoffman | 7,390 | 0.43% |
| | Republican | GoodSpaceGuy | 7,057 | 0.41% |
| | Republican | John Orlinski | 6,905 | 0.41% |
| | Independent | Dave Strider | 6,821 | 0.40% |
| | Republican | Roque "Rocky" De La Fuente | 5,724 | 0.34% |
| | Green | James Robert "Jimmie" Deal | 3,849 | 0.23% |
| | The Human Rights Party | Sam Wright | 3,761 | 0.22% |
| | FDFR Party | Brad Chase | 2,655 | 0.16% |
| | Democratic | George H. Kalberer | 2,448 | 0.14% |
| | Independent | Charlie R. Jackson | 2,411 | 0.14% |
| | Republican | R. C. Smith | 2,238 | 0.13% |
| | Independent | Jon Butler | 2,016 | 0.12% |
| | StandUpAmerica | Alex Tsimerman | 1,366 | 0.08% |
| Total votes | Total votes | Total votes | 1,700,840 | 100.00% |

## General election
### Debates

2022 United States Senate election in Washington debates :
| No. | Date | Host | Moderator | Link | Democratic | Republican |
| Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | | |
| Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Maria Cantwell | Susan Hutchison |
| 1 | Oct. 8, 2018 | KOMO-TV Pacific Lutheran University | Mary Nam Essex Porter | | P | P |
| 2 | Oct. 20, 2018 | Community Colleges of Spokane Gonzaga University Eastern Washington University University of Washington Washington State University Spokane Whitworth University | Hayley Guenthner Jane McCarthy | | P | P |

### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Safe D | October 26, 2018 |
| Inside Elections | Safe D | November 1, 2018 |
| Sabato's Crystal Ball | Safe D | November 5, 2018 |
| Fox News | Likely D | July 9, 2018 |
| CNN | Safe D | July 12, 2018 |
| RealClearPolitics | Safe D | November 5, 2018 |

### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Maria Cantwell (D) | Susan Hutchison (R) | Undecided |
| Elway/Crosscut | October 4–9, 2018 | 405 (RV) | ± 5.0% | 53% | 39% | 9% |
| Public Policy Polling (D) | May 22–23, 2018 | 675 (LV) | ± 3.8% | 52% | 36% | 12% |
Maria Cantwell vs. Rob McKenna
| Poll source | Date(s) administered | Sample size | Margin of error | Maria Cantwell (D) | Rob McKenna (R) | Undecided |
| Public Policy Polling (D) | June 27–28, 2017 | 887 (LV) | ± 3.3% | 53% | 40% | 6% |

### Results

United States Senate election in Washington, 2018 :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Maria Cantwell (incumbent) | 1,803,364 | 58.43% | −2.02% |
| | Republican | Susan Hutchison | 1,282,804 | 41.57% | +2.02% |
| Total votes | Total votes | Total votes | 3,086,168 | 100.00% | N/A |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

#### Counties that flipped from Democratic to Republican

* Cowlitz (largest city: Longview)
* Grays Harbor (largest city: Aberdeen)
* Klickitat (largest city: Goldendale)
* Mason (largest city: Shelton)
* Skamania (largest city: Carson)
* Yakima (largest city: Yakima)
* Wahkiakum (largest city: Puget Island)

#### Counties that flipped from Republican to Democratic

* Whitman (largest city: Pullman)

#### By congressional district

Cantwell won seven of ten congressional districts.
| District | Cantwell | Hutchison | Representative |
| 1st | 57% | 43% | Suzan DelBene |
| 2nd | 61% | 39% | Rick Larsen |
| 3rd | 49% | 51% | Jaime Herrera Beutler |
| 4th | 38% | 62% | Dan Newhouse |
| 5th | 47% | 53% | Cathy McMorris Rodgers |
| 6th | 57% | 43% | Derek Kilmer |
| 7th | 84% | 16% | Pramila Jayapal |
| 8th | 51% | 49% | Kim Schrier |
| 9th | 73% | 27% | Adam Smith |
| 10th | 56% | 44% | Denny Heck |