2018 United States House of Representatives elections in Washington

The 2018 United States House of Representatives elections in Washington were held on November 6, 2018, to elect the 10 U.S. representatives from the state of Washington, one from each of the state's 10 congressional districts. The elections coincided with other elections to the House of Representatives, elections to the United States Senate and various state and local elections. All nine incumbents seeking re-election were re-elected, but the Democratic Party won the open-seat in the 8th District previously held by a Republican, improving from a 6–4 margin to a 7–3 margin.

Overview Results of the 2018 United States House of Representatives elections in Washington by district:

DistrictDemocraticRepublicanOthersTotalResult Votes % Votes % Votes % Votes %District 1 197,209 59.27% 135,534 40.73% 0 0.00% 332,743 100.0% Democratic holdDistrict 2 210,187 71.29% 0 0.00% 84,646 28.71% 294,833 100.0% Democratic holdDistrict 3 145,407 47.33% 161,819 52.67% 0 0.00% 307,226 100.0% Republican holdDistrict 4 83,785 37.18% 141,551 62.82% 0 0.00% 225,336 100.0% Republican holdDistrict 5 144,925 45.24% 175,422 54.76% 0 0.00% 320,347 100.0% Republican holdDistrict 6 206,409 63.89% 116,677 36.11% 0 0.00% 323,086 100.0% Democratic holdDistrict 7 329,800 83.56% 64,881 16.44% 0 0.00% 394,681 100.0% Democratic holdDistrict 8 164,089 52.42% 148,968 47.58% 0 0.00% 313,057 100.0% Democratic gainDistrict 9 240,567 100.00% 0 0.00% 0 0.00% 240,567 100.0% Democratic holdDistrict 10 166,215 61.54% 103,860 38.46% 0 0.00% 270,075 100.0% Democratic holdTotal 1,888,593 62.50% 1,048,712 34.70% 84,646 2.80% 3,021,951 100.0%

District 1

The 1st congressional district is located along the Puget Sound from the Canada–US border to King County. The district had a PVI of D+6. The incumbent was Democrat Suzan DelBene, who had represented the district since 2012. She was re-elected with 55% of the vote in 2016.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018CNNOctober 31, 2018PoliticoNovember 2, 2018

Results

By county +CountySuzan DelBene DemocraticJeffrey Beeler RepublicanMarginTotal votes#%#%#%King (part)93,24969.45%41,01230.55%52,23738.91%134,261Skagit (part)11,05754.20%9,34445.80%1,7138.40%20,401Snohomish (part)67,98455.01%55,61044.99%12,37410.01%123,594Whatcom (part)24,91945.73%29,56854.27%-4,649-8.53%54,487Totals197,20959.27%135,53440.73%61,67518.54%332,743

District 2

The 2nd congressional district includes all of Island and San Juan counties and neighboring areas on the mainland from Bellingham in the north to Lynnwood in the south. The district had a PVI of D+10. The incumbent was Democrat Rick Larsen, who had represented the district since 2001. He was re-elected with 64% of the vote in 2016.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018CNNOctober 31, 2018PoliticoNovember 4, 2018

Results

By county +CountyRick Larsen DemocraticBrian Luke LibertarianMarginTotal votes#%#%#%Island26,64767.89%12,60232.11%14,04535.78%39,249San Juan8,13076.94%2,43623.06%5,69453.89%10,566Skagit (part)20,99366.79%10,43933.21%10,55433.58%31,432Snohomish (part)112,03169.31%49,60230.69%62,42938.62%161,633Whatcom (part)42,38681.59%9,56718.41%32,81963.17%51,953Totals210,18771.29%84,64628.71%125,54142.58%294,833

District 3

The 3rd congressional district encompasses the southernmost portion of western and central Washington. It includes the counties of Lewis, Pacific, Wahkiakum, Cowlitz, Clark, Skamania, and Klickitat, and a small sliver of southern Thurston county. The district had a PVI of R+4. The incumbent was Republican Jaime Herrera Beutler, who had represented the district since 2011. She was re-elected with 62% of the vote in 2016.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018

Polling Poll source Date(s)administered Samplesize Margin oferror JaimeHerrera Beutler (R) CarolynLong (D) UndecidedNYT Upshot/Siena CollegeNYT Upshot/Siena College October 14–19, 2018 497 ± 4.6% 48% 41% 12%Lake Research Partners (D-Long)Lake Research Partners (D-Long) October 9–11, 2018 500 ± 4.9% 43% 45% –Lake Research Partners (D-Long)Lake Research Partners (D-Long) June 14–18, 2018 500 ± 4.4% 42% 37% 20%Lake Research Partners (D-Long)Lake Research Partners (D-Long) March 8–12, 2018 400 ± 4.9% 49%29% 21%

Endorsements

Results

By county +CountyJaime Herrera Beutler RepublicanCarolyn Long DemocraticMarginTotal votes#%#%#%Clark94,93048.88%99,29651.12%-4,366-2.25%194,226Cowlitz24,93056.15%19,47243.85%5,45812.29%44,402Klickitat5,92955.25%4,80244.75%1,12710.50%10,731Lewis22,87567.65%10,93932.35%11,93635.30%33,814Pacific5,45650.55%5,33749.45%1191.10%10,793Skamania3,06654.88%2,52145.12%5459.75%5,587Thurston (part)3,21761.45%2,01838.55%1,19922.90%5,235Wahkiakum1,41658.08%1,02241.92%39416.16%2,438Totals161,81952.67%145,40747.33%16,4125.34%307,226

District 4

The 4th congressional district is located in central Washington, covering the counties of, Douglas, Okanogan, Grant, Yakima, Franklin, Benton, and Adams. The district is dominated by the Yakima and Tri-Cities areas. The district had a PVI of R+13. The incumbent was Republican Dan Newhouse, who had represented the district since 2015. He was re-elected with 58% of the vote in 2016.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018CNNOctober 31, 2018PoliticoNovember 4, 2018

Results

By county +CountyDan Newhouse RepublicanChristine Brown DemocraticMarginTotal votes#%#%#%Adams3,11673.84%1,10426.16%2,01247.68%4,220Benton46,61862.23%28,28937.77%18,32924.47%74,907Douglas (part)5,83369.44%2,56730.56%3,26638.88%8,400Franklin13,37660.13%8,87039.87%4,50620.26%22,246Grant19,19772.75%7,18927.25%12,00845.51%26,386Okanogan10,08460.60%6,55539.40%3,52921.21%16,639Walla Walla (part)1,55173.65%55526.35%99647.29%2,106Yakima41,77659.31%28,65640.69%13,12018.63%70,432Totals141,55162.82%83,78537.18%57,76625.64%225,336

District 5

The 5th congressional district is located in Eastern Washington and includes the counties of Ferry, Stevens, Pend Oreille, Lincoln, Spokane, Whitman, Walla Walla, Columbia, Garfield, and Asotin. It is centered on Spokane, the state's second largest city. The district had a PVI of R+8. The incumbent was Republican Cathy McMorris Rodgers, who had represented the district since 2005. She was re-elected with 60% of the vote in 2016.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018

Debate + 2018 Washington's 5th congressional district election debate Date Host Moderator Link Republican DemocraticKey: Participant  Absent  Not invited  Invited Withdrawn Cathy McMorris Rodgers Lisa Brown1 Oct. 24, 2018 Northwest Public BroadcastingWalla Walla Valley Chamber of Commerce Bertha ClaytonC-SPAN

Endorsements

Polling Poll source Date(s)administered Samplesize Margin oferror CathyMcMorris Rodgers (R) LisaBrown (D) Other UndecidedFM3 Research (D-Brown)FM3 Research (D-Brown) September 16–20, 2018 521 ± 4.3% 49% 46% — 5%Public Policy Polling (D)Public Policy Polling (D) April 16–17, 2018 689 ± 3.7% 48% 45% — 7%Elway ResearchElway Research April 4–7, 2018 403 ± 5.0% 44% 38% 3% 16%DCCC (D)DCCC (D)February 3, 2018 414 ± 4.8% 47% 43% — —

Results

By county +CountyCathy McMorris Rodgers RepublicanLisa Brown DemocraticMarginTotal votes#%#%#%Asotin5,52760.76%3,57039.24%1,95721.51%9,097Columbia1,57271.20%63628.80%93642.39%2,208Ferry2,27264.84%1,23235.16%1,04029.68%3,504Garfield1,01075.20%33324.80%67750.41%1,343Lincoln4,21575.58%1,36224.42%2,85351.16%5,577Pend Oreille4,49665.67%2,35034.33%2,14631.35%6,846Spokane119,77052.42%108,69747.58%11,0734.85%228,467Stevens15,58669.13%6,96130.87%8,62538.25%22,547Walla Walla (part)12,68953.95%10,83146.05%1,8587.90%23,520Whitman8,28548.06%8,95351.94%-668-3.88%17,238Totals175,42254.76%144,92545.24%30,4979.52%320,347

District 6

The 6th congressional district includes the Olympic Peninsula, most of the Kitsap Peninsula, and most of the city of Tacoma. The district had a PVI of D+6. The incumbent was Democrat Derek Kilmer, who had represented the district since 2013. He was re-elected with 62% of the vote in 2016.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018CNNOctober 31, 2018PoliticoNovember 4, 2018

Results

By county +CountyDerek Kilmer DemocraticDouglas Dightman RepublicanMarginTotal votes#%#%#%Clallam22,63357.76%16,55142.24%6,08215.52%39,184Grays Harbor15,53055.12%12,64644.88%2,88410.24%28,176Jefferson15,07672.95%5,59127.05%9,48545.89%20,667Kitsap76,74664.29%42,62835.71%34,11828.58%119,374Mason (part)11,26752.78%10,08147.22%1,1865.56%21,348Pierce (part)65,15769.07%29,18030.93%35,97738.14%94,337Totals206,40963.89%116,67736.11%89,73227.77%323,086

District 7

The 7th congressional district includes most of Seattle, all of Vashon Island, Edmonds, Shoreline, Kenmore, and parts of Burien and Normandy Park. The district had a PVI of D+33. The incumbent was Democrat Pramila Jayapal, who had represented the district since 2017. She was elected with 56% of the vote in 2016, to replace retiring Democratic representative Jim McDermott.

Primary election Results thumb|140px|Results by county

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018CNNOctober 31, 2018PoliticoNovember 4, 2018

Results

By county +CountyPramila Jayapal DemocraticCraig Keller RepublicanMarginTotal votes#%#%#%King (part)312,25284.74%56,21715.26%256,03569.49%368,469Snohomish (part)17,54866.95%8,66433.05%8,88433.89%26,212Totals329,80083.56%64,88116.44%264,91967.12%394,681

District 8

The 8th congressional district includes the eastern portions of King and Pierce counties and crosses the Cascade mountains to include Chelan and Kittitas counties. The population centers on the west side of the mountains include the exurban communities of Sammamish, Issaquah, and Auburn. On the east side, the 8th's population centers are rural communities Wenatchee, Leavenworth, and Ellensburg. The district had a PVI of EVEN.

Dave Reichert's retirement made this the only open seat in Washington in 2018, as well as the only seat to change party hands.

Primary election Results

General election Predictions SourceRankingAs of The Cook Political ReportNovember 5, 2018 Inside ElectionsNovember 5, 2018 Sabato's Crystal BallNovember 5, 2018RCPNovember 5, 2018Daily KosNovember 5, 2018538November 7, 2018

Endorsements

Debate + 2018 Washington's 8th congressional district debate Date Host Moderator Link Republican DemocraticKey: Participant  Absent  Not invited  Invited Withdrawn Dino Rossi Kim Schrier1 Oct. 17, 2018 Associated Students of Central Washington UniversityCentral Washington UniversityEllensburg Daily RecordKittitas County Chamber of CommerceCle Elum-Roslyn, Easton, Ellensburg, Kittitas & Thorpschool districts C-SPAN

Polling