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United States · Election results history · 2020 House · Montana
Election 2020 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.

2020 US House elections in Montana

Montana elected one member of the House in 2020. Matt Rosendale (Republican) beat Kathleen Williams (Democrat) in Montana in 2020, 56.4% to 43.6%, a margin of 12.8 points and 76,829 votes.

In the House vote by county, Republicans led in 47 of the 56 counties and Democrats in 9. The largest, Yellowstone, cast 83,708 votes and went to the Republican by 19.8 points. The closest was Lewis and Clark, where 5 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
At large Kathleen Williams262,340 (43.6%) Matt Rosendale339,169 (56.4%) R+12.8

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Yellowstone 33,563 40.1% 50,145 59.9% 83,708 R+19.8
Missoula 44,749 62.7% 26,662 37.3% 71,411 D+25.3
Gallatin 38,501 54.4% 32,217 45.6% 70,718 D+8.9
Flathead 21,271 35.6% 38,426 64.4% 59,697 R+28.7
Lewis and Clark 21,050 50.0% 21,045 50.0% 42,095 level
Cascade 17,043 42.9% 22,724 57.1% 39,767 R+14.3
Ravalli 9,350 32.8% 19,114 67.2% 28,464 R+34.3
Silver Bow 11,511 61.6% 7,175 38.4% 18,686 D+23.2
Lake 7,250 44.0% 9,239 56.0% 16,489 R+12.1
Lincoln 3,112 26.6% 8,587 73.4% 11,699 R+46.8
Park 5,582 48.5% 5,933 51.5% 11,515 R+3.0
Jefferson 2,835 34.9% 5,288 65.1% 8,123 R+30.2
Sanders 2,009 26.5% 5,574 73.5% 7,583 R+47.0
Hill 3,361 46.9% 3,807 53.1% 7,168 R+6.2
Carbon 2,590 36.7% 4,465 63.3% 7,055 R+26.6
Fergus 1,753 27.1% 4,715 72.9% 6,468 R+45.8
Madison 1,943 32.1% 4,113 67.9% 6,056 R+35.8
Custer 1,773 30.3% 4,072 69.7% 5,845 R+39.3
Richland 1,054 18.3% 4,694 81.7% 5,748 R+63.3
Stillwater 1,343 23.5% 4,366 76.5% 5,709 R+53.0
Glacier 3,885 68.5% 1,783 31.5% 5,668 D+37.1
Beaverhead 1,817 32.3% 3,811 67.7% 5,628 R+35.4
Deer Lodge 2,831 58.2% 2,036 41.8% 4,867 D+16.3
Dawson 1,161 24.2% 3,639 75.8% 4,800 R+51.6
Big Horn 2,681 56.0% 2,103 44.0% 4,784 D+12.1
Valley 1,232 29.3% 2,966 70.7% 4,198 R+41.3
Broadwater 935 22.9% 3,150 77.1% 4,085 R+54.2
Roosevelt 2,060 51.7% 1,927 48.3% 3,987 D+3.3
Rosebud 1,325 35.3% 2,426 64.7% 3,751 R+29.4
Teton 1,127 30.6% 2,557 69.4% 3,684 R+38.8
Powell 899 28.3% 2,278 71.7% 3,177 R+43.4
Blaine 1,707 55.1% 1,391 44.9% 3,098 D+10.2
Pondera 1,019 34.2% 1,963 65.8% 2,982 R+31.7
Chouteau 1,140 38.5% 1,820 61.5% 2,960 R+23.0
Musselshell 519 18.1% 2,341 81.9% 2,860 R+63.7
Sweet Grass 606 24.7% 1,843 75.3% 2,449 R+50.5
Phillips 489 20.8% 1,860 79.2% 2,349 R+58.4
Mineral 679 29.2% 1,647 70.8% 2,326 R+41.6
Toole 551 26.3% 1,546 73.7% 2,097 R+47.4
Granite 700 33.5% 1,388 66.5% 2,088 R+33.0
Sheridan 681 33.9% 1,328 66.1% 2,009 R+32.2
Fallon 251 16.1% 1,312 83.9% 1,563 R+67.9
Judith Basin 346 25.7% 998 74.3% 1,344 R+48.5
Powder River 185 16.3% 953 83.7% 1,138 R+67.5
McCone 187 16.7% 932 83.3% 1,119 R+66.6
Meagher 273 24.7% 834 75.3% 1,107 R+50.7
Liberty 304 28.1% 776 71.9% 1,080 R+43.7
Wheatland 271 25.5% 792 74.5% 1,063 R+49.0
Daniels 229 22.6% 786 77.4% 1,015 R+54.9
Carter 96 11.2% 758 88.8% 854 R+77.5
Garfield 63 7.9% 738 92.1% 801 R+84.3
Prairie 148 20.7% 568 79.3% 716 R+58.7
Wibaux 98 16.6% 492 83.4% 590 R+66.8
Treasure 104 22.6% 356 77.4% 460 R+54.8
Golden Valley 47 10.2% 412 89.8% 459 R+79.5
Petroleum 51 14.6% 298 85.4% 349 R+70.8

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

Montana in every House election we hold

YearSeatsHouse vote
2024 D 0, R 2 R+18.8
2022 D 0, R 2 R+18.6
2020 D 0, R 1 R+12.8
2018 D 0, R 1 R+4.6
2016 D 0, R 1 R+15.6
2014 D 0, R 1 R+15.0
2012 D 0, R 1 R+10.5
2010 D 0, R 1 R+26.6
2008 D 0, R 1 R+31.7
2006 D 0, R 1 R+19.7
2004 D 0, R 1 R+31.6
2002 D 0, R 1 R+32.0
2000 D 0, R 1 R+5.2
1998 D 0, R 1 R+8.6
1996 D 0, R 1 R+9.3
1994 D 1, R 0 D+6.4
1992 D 1, R 0 D+3.5
1990 D 1, R 1 R+1.0