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United States · Election results history · 2010 House · Montana
Election 2010 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.

2010 US House elections in Montana

Montana elected one member of the House in 2010. Denny Rehberg (Republican) beat Dennis McDonald (Democrat) in Montana in 2010, 60.4% to 33.8%, a margin of 26.6 points and 95,742 votes.

In the House vote by county, Republicans led in 53 of the 56 counties and Democrats in 3. The largest, Yellowstone, cast 51,480 votes and went to the Republican by 22.5 points. The closest was Glacier, where 70 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 Dennis McDonald121,954 (33.8%) Denny Rehberg217,696 (60.4%) 20,691 R+26.6

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Yellowstone 18,192 35.3% 29,768 57.8% 3,520 51,480 R+22.5
Missoula 17,637 46.7% 17,789 47.1% 2,314 37,740 R+0.4
Flathead 8,127 26.0% 21,153 67.7% 1,975 31,255 R+41.7
Gallatin 11,125 35.8% 18,221 58.6% 1,769 31,115 R+22.8
Cascade 8,867 33.9% 16,241 62.1% 1,064 26,172 R+28.2
Lewis and Clark 9,684 38.5% 14,221 56.5% 1,246 25,151 R+18.0
Ravalli 4,887 27.6% 11,506 65.1% 1,290 17,683 R+37.4
Silver Bow 6,044 51.5% 5,113 43.5% 586 11,743 D+7.9
Lake 3,517 34.3% 6,014 58.7% 721 10,252 R+24.4
Lincoln 1,688 23.7% 4,926 69.2% 509 7,123 R+45.5
Park 2,355 34.2% 4,148 60.3% 378 6,881 R+26.1
Jefferson 1,529 29.1% 3,430 65.2% 298 5,257 R+36.2
Hill 1,787 34.5% 3,142 60.7% 247 5,176 R+26.2
Fergus 1,130 21.9% 3,795 73.5% 238 5,163 R+51.6
Sanders 1,324 25.8% 3,386 66.0% 421 5,131 R+40.2
Carbon 1,667 34.6% 2,837 58.9% 315 4,819 R+24.3
Custer 1,163 28.7% 2,699 66.5% 194 4,056 R+37.9
Big Horn 2,152 54.8% 1,600 40.7% 176 3,928 D+14.1
Stillwater 984 26.3% 2,549 68.0% 215 3,748 R+41.8
Beaverhead 840 22.5% 2,716 72.8% 174 3,730 R+50.3
Richland 791 21.3% 2,767 74.5% 155 3,713 R+53.2
Madison 847 23.3% 2,541 70.0% 240 3,628 R+46.7
Dawson 1,007 27.8% 2,459 67.8% 159 3,625 R+40.1
Valley 944 28.0% 2,300 68.2% 127 3,371 R+40.2
Deer Lodge 1,828 54.5% 1,347 40.1% 182 3,357 D+14.3
Roosevelt 1,211 42.2% 1,559 54.3% 101 2,871 R+12.1
Teton 654 24.0% 1,932 70.8% 143 2,729 R+46.8
Glacier 1,246 46.8% 1,316 49.5% 99 2,661 R+2.6
Rosebud 990 37.3% 1,507 56.8% 158 2,655 R+19.5
Broadwater 551 21.3% 1,895 73.3% 141 2,587 R+52.0
Chouteau 509 22.1% 1,703 74.0% 90 2,302 R+51.9
Powell 538 24.5% 1,513 68.9% 145 2,196 R+44.4
Pondera 516 24.6% 1,513 72.2% 66 2,095 R+47.6
Musselshell 385 20.6% 1,356 72.4% 132 1,873 R+51.8
Phillips 274 14.9% 1,490 80.8% 81 1,845 R+65.9
Blaine 613 33.6% 1,165 63.8% 49 1,827 R+30.2
Mineral 530 29.3% 1,135 62.7% 146 1,811 R+33.4
Toole 366 20.9% 1,293 74.0% 89 1,748 R+53.0
Sweet Grass 394 22.9% 1,250 72.5% 79 1,723 R+49.7
Sheridan 523 31.7% 1,052 63.7% 76 1,651 R+32.0
Granite 348 24.2% 985 68.5% 106 1,439 R+44.3
Fallon 202 18.4% 864 78.8% 31 1,097 R+60.3
Judith Basin 229 21.6% 794 75.0% 35 1,058 R+53.4
Wheatland 250 24.9% 713 71.1% 40 1,003 R+46.2
Liberty 178 19.3% 706 76.5% 39 923 R+57.2
Daniels 202 22.8% 629 71.0% 55 886 R+48.2
Powder River 139 15.7% 708 80.2% 36 883 R+64.4
McCone 220 25.0% 631 71.6% 30 881 R+46.7
Meagher 152 18.6% 610 74.7% 55 817 R+56.1
Carter 54 7.9% 613 89.5% 18 685 R+81.6
Garfield 75 11.1% 569 84.0% 33 677 R+73.0
Prairie 138 22.9% 434 72.0% 31 603 R+49.1
Wibaux 110 22.9% 349 72.6% 22 481 R+49.7
Golden Valley 108 26.7% 278 68.6% 19 405 R+42.0
Treasure 93 24.2% 272 70.8% 19 384 R+46.6
Petroleum 40 16.1% 194 78.2% 14 248 R+62.1

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