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United States · Election results history · 2018 House · Oklahoma
Election 2018 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2018 US House elections in Oklahoma

Oklahoma elected 5 members of the House in 2018: Democrats won 1 seats and Republicans 4.

The closest was the 5th district, decided by 1.4 points: Kendra Horn (Democrat) beat Steve Russell (Republican), 50.7% to 49.3%, a margin of 1.4 points and 3,338 votes.

In the House vote by county, Republicans led in 76 of the 77 counties and Democrats in 1. The largest, Oklahoma, cast 231,967 votes and went to the Democrat by 2.9 points. The closest was Harmon, where 377 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Every district

DistrictDemocratVotesRepublicanVotesOthersMargin
1 Tim Gilpin103,042 (40.7%) Kevin Hern150,129 (59.3%) R+18.6
2 Jason Nichols65,021 (30.1%) Markwayne Mullin140,451 (65.0%) 10,530 R+34.9
3 Frankie Robbins61,152 (26.1%) Frank D. Lucas172,913 (73.9%) R+47.8
4 Mary Brannon78,088 (33.0%) Tom Cole149,227 (63.1%) 9,323 R+30.1
5 Kendra Horn121,149 (50.7%) Steve Russell117,811 (49.3%) D+1.4

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Oklahoma 118,899 51.3% 112,177 48.4% 891 231,967 D+2.9
Tulsa 87,904 43.8% 113,018 56.2% 200,922 R+12.5
Cleveland 37,709 41.2% 50,275 54.9% 3,582 91,566 R+13.7
Canadian 12,630 27.8% 32,505 71.5% 318 45,453 R+43.7
Rogers 8,428 25.6% 22,893 69.5% 1,635 32,956 R+43.9
Comanche 9,135 34.5% 15,774 59.6% 1,576 26,485 R+25.1
Wagoner 7,588 29.5% 18,177 70.5% 25,765 R+41.1
Payne 8,547 37.9% 13,993 62.1% 22,540 R+24.2
Creek 5,943 26.4% 16,531 73.6% 22,474 R+47.1
Pottawatomie 7,844 37.6% 13,030 62.4% 20,874 R+24.8
Muskogee 7,915 40.3% 10,724 54.7% 980 19,619 R+14.3
Washington 5,253 29.6% 12,471 70.4% 17,724 R+40.7
Garfield 4,203 24.3% 13,086 75.7% 17,289 R+51.4
Grady 3,779 22.1% 12,671 74.3% 611 17,061 R+52.1
Logan 4,246 27.0% 11,456 73.0% 15,702 R+45.9
Osage 5,514 36.2% 9,723 63.8% 15,237 R+27.6
Carter 3,608 25.9% 9,918 71.1% 417 13,943 R+45.3
Cherokee 6,292 45.4% 6,745 48.7% 820 13,857 R+3.3
Stephens 2,783 20.2% 10,541 76.6% 437 13,761 R+56.4
McClain 3,161 23.0% 10,100 73.4% 490 13,751 R+50.5
Pittsburg 3,775 28.3% 8,954 67.1% 610 13,339 R+38.8
Delaware 3,380 25.9% 9,030 69.1% 664 13,074 R+43.2
Kay 3,683 28.5% 9,231 71.5% 12,914 R+43.0
Mayes 3,702 28.7% 8,534 66.2% 649 12,885 R+37.5
Le Flore 3,417 26.8% 8,813 69.2% 506 12,736 R+42.4
Pontotoc 3,352 28.3% 8,102 68.5% 373 11,827 R+40.2
Sequoyah 3,420 29.9% 7,548 66.1% 456 11,424 R+36.1
Bryan 3,103 27.4% 7,711 68.2% 498 11,312 R+40.7
Lincoln 2,687 24.0% 8,520 76.0% 11,207 R+52.0
Okmulgee 4,136 37.6% 6,376 57.9% 498 11,010 R+20.3
Ottawa 2,850 33.6% 5,116 60.4% 508 8,474 R+26.7
Custer 1,902 23.0% 6,359 77.0% 8,261 R+54.0
Garvin 1,832 23.3% 5,786 73.5% 257 7,875 R+50.2
McCurtain 1,661 22.0% 5,623 74.5% 260 7,544 R+52.5
Caddo 2,308 31.5% 5,021 68.5% 7,329 R+37.0
McIntosh 2,306 35.0% 4,017 61.0% 262 6,585 R+26.0
Seminole 2,578 39.5% 3,956 60.5% 6,534 R+21.1
Jackson 1,391 21.6% 5,038 78.4% 6,429 R+56.7
Woodward 924 15.7% 4,959 84.3% 5,883 R+68.6
Beckham 982 17.2% 4,720 82.8% 5,702 R+65.6
Adair 1,529 29.5% 3,362 64.9% 286 5,177 R+35.4
Kingfisher 687 13.5% 4,395 86.5% 5,082 R+73.0
Pawnee 1,397 28.7% 3,475 71.3% 4,872 R+42.7
Craig 1,272 26.8% 3,281 69.2% 185 4,738 R+42.4
Marshall 1,031 23.5% 3,171 72.2% 191 4,393 R+48.7
Murray 970 22.3% 3,239 74.4% 144 4,353 R+52.1
Texas 677 16.4% 3,439 83.6% 4,116 R+67.1
Choctaw 1,029 25.5% 2,827 70.1% 174 4,030 R+44.6
Atoka 818 20.4% 3,067 76.5% 124 4,009 R+56.1
Noble 879 22.2% 3,078 77.8% 3,957 R+55.6
Washita 650 17.1% 3,148 82.9% 3,798 R+65.8
Hughes 1,123 29.8% 2,423 64.3% 224 3,770 R+34.5
Haskell 935 25.4% 2,630 71.5% 113 3,678 R+46.1
Nowata 751 21.6% 2,533 72.8% 194 3,478 R+51.2
Pushmataha 794 24.0% 2,370 71.6% 147 3,311 R+47.6
Okfuskee 987 32.0% 1,925 62.3% 177 3,089 R+30.4
Johnston 746 24.8% 2,127 70.8% 133 3,006 R+45.9
Latimer 869 29.0% 1,985 66.3% 142 2,996 R+37.2
Blaine 628 21.4% 2,310 78.6% 2,938 R+57.2
Woods 509 18.0% 2,324 82.0% 2,833 R+64.1
Love 692 25.0% 2,014 72.7% 66 2,772 R+47.7
Major 339 12.4% 2,390 87.6% 2,729 R+75.2
Kiowa 656 24.2% 2,055 75.8% 2,711 R+51.6
Tillman 474 22.7% 1,563 75.0% 48 2,085 R+52.2
Cotton 378 19.0% 1,540 77.2% 76 1,994 R+58.3
Coal 494 27.0% 1,242 67.9% 94 1,830 R+40.9
Alfalfa 248 13.8% 1,547 86.2% 1,795 R+72.4
Beaver 187 10.4% 1,608 89.6% 1,795 R+79.2
Dewey 202 11.5% 1,557 88.5% 1,759 R+77.0
Grant 350 20.6% 1,346 79.4% 1,696 R+58.7
Jefferson 303 19.4% 1,221 78.2% 37 1,561 R+58.8
Roger Mills 177 11.7% 1,331 88.3% 1,508 R+76.5
Ellis 180 12.2% 1,295 87.8% 1,475 R+75.6
Greer 346 23.6% 1,122 76.4% 1,468 R+52.9
Harper 126 10.4% 1,080 89.6% 1,206 R+79.1
Cimarron 67 8.4% 730 91.6% 797 R+83.2
Harmon 182 24.6% 559 75.4% 741 R+50.9

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Oklahoma in every House election we hold

YearSeatsHouse vote
2024 D 0, R 5 R+34.1
2022 D 0, R 5 R+35.2
2020 D 0, R 5 R+36.6
2018 D 1, R 4 R+25.6
2016 D 0, R 5 R+42.0
2014 D 0, R 5 R+43.4
2012 D 0, R 5 R+33.7
2010 D 1, R 4 R+37.5
2008 D 1, R 4 R+22.4
2006 D 1, R 4 R+16.0
2004 D 1, R 4 R+35.4
2002 D 1, R 4 R+15.5
2000 D 1, R 5 R+33.6
1998 D 0, R 6 R+26.1
1996 D 0, R 6 R+24.8
1994 D 1, R 5 R+19.3
1992 D 4, R 2 D+20.4
1990 D 4, R 2 D+21.2