# 2010 United States House of Representatives election in Montana

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vte :
The 2010 congressional elections in Montana was held on November 2, 2010, and determined who would represent the state of Montana in the United States House of Representatives. Montana has one seat in the House, apportioned according to the 2000 United States census. Representatives are elected for two-year terms; the elected will serve in the 112th Congress from January 3, 2011, until January 3, 2013.

## Democratic primary
### Candidates

* Dennis McDonald, former chairman of the Montana Democratic Party
* Tyler Gernant, attorney
* Melinda Gopher, Native American activist
* Sam Rankin

### Results

Democratic Party primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Dennis McDonald | 24,014 | 38.42 |
| | Democratic | Tyler Gernant | 15,177 | 24.28 |
| | Democratic | Melinda Gopher | 13,170 | 21.07 |
| | Democratic | Sam Rankin | 10,138 | 16.22 |
| Total votes | Total votes | Total votes | 62,499 | 100.00 |

## Republican primary
### Candidates

* Denny Rehberg, incumbent U.S. Congressman
* Mark T. French, Clark Fork Valley Hospital scientist
* A. J. Otjen, Montana State University Billings professor

### Results

Republican Party primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Denny Rehberg (inc.) | 96,796 | 74.69 |
| | Republican | Mark T. French | 25,344 | 19.56 |
| | Republican | A. J. Otjen | 7,461 | 5.76 |
| Total votes | Total votes | Total votes | 129,601 | 100.00 |

## General election
### Results

Montana At-large congressional district election, 2010 :
| Party | Party | Candidate | Votes | % |
| | Republican | Denny Rehberg (inc.) | 217,696 | 60.41 |
| | Democratic | Dennis McDonald | 121,954 | 33.84 |
| | Libertarian | Mike Fellows | 20,691 | 5.74 |
| Total votes | Total votes | Total votes | 360,341 | 100.00 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

### County results

Source
| | Denny Rehberg Republican | Denny Rehberg Republican | Dennis McDonald Democratic | Dennis McDonald Democratic | Mike Fellows Libertarian | Mike Fellows Libertarian | Margin | Margin | Total |
| County | Votes | % | Votes | % | Votes | % | Votes | % | Votes |
| Beaverhead | 2,716 | 72.82% | 840 | 22.52% | 174 | 4.66% | 984 | 26.38% | 3,730 |
| Big Horn | 1,600 | 40.73% | 2,152 | 54.79% | 176 | 4.48% | 552 | 14.05% | 3,928 |
| Blaine | 1,165 | 63.77% | 613 | 33.55% | 49 | 2.68% | 552 | 30.21% | 1,827 |
| Broadwater | 1,895 | 73.25% | 551 | 21.30% | 141 | 5.45% | 1,344 | 51.95% | 2,587 |
| Carbon | 2,837 | 58.87% | 1,667 | 34.59% | 315 | 6.54% | 1,170 | 24.28% | 4,819 |
| Carter | 613 | 89.49% | 54 | 7.88% | 18 | 2.63% | 559 | 81.61% | 685 |
| Cascade | 16,241 | 62.05% | 8,867 | 33.88% | 1,064 | 4.07% | 7,374 | 28.18% | 26,172 |
| Chouteau | 1,703 | 73.98% | 509 | 22.11% | 90 | 3.91% | 1,194 | 51.87% | 2,302 |
| Custer | 2,699 | 66.54% | 1,163 | 28.67% | 194 | 4.78% | 1,536 | 37.87% | 4,056 |
| Daniels | 629 | 70.99% | 202 | 22.80% | 55 | 6.21% | 427 | 48.19% | 886 |
| Dawson | 2,459 | 67.83%' | 1,007 | 27.78% | 159 | 4.39% | 1,452 | 40.06% | 3,625 |
| Deer Lodge | 1,347 | 40.13% | 1,828 | 54.45% | 182 | 5.42% | 481 | 14.33% | 3,357 |
| Fallon | 864 | 78.76% | 202 | 18.41% | 31 | 2.83% | 662 | 60.35% | 1,097 |
| Fergus | 3,795 | 73.50% | 1,130 | 21.89% | 238 | 4.61% | 2,665 | 51.62% | 5,163 |
| Flathead | 21,153 | 67.68% | 8,127 | 26.00% | 1,975 | 6.32% | 13,026 | 41.68 | 31,255 |
| Gallatin | 18,221 | 58.56% | 11,125 | 35.75% | 1,769 | 5.69% | 7,096 | 22.81% | 31,115 |
| Garfield | 569 | 84.05% | 75 | 11.08% | 33 | 4.87% | 494 | 72.97% | 677 |
| Glacier | 1,316 | 49.46% | 1,246 | 46.82% | 99 | 3.72% | 70 | 2.63% | 2,661 |
| Golden Valley | 278 | 68.64% | 108 | 26.67% | 19 | 4.69% | 170 | 41.98% | 405 |
| Granite | 985 | 68.45% | 348 | 24.18% | 106 | 7.37% | 637 | 44.27% | 1,439 |
| Hill | 3,142 | 60.70% | 1,787 | 34.52% | 247 | 4.77% | 1,355 | 26.18% | 5,176 |
| Jefferson | 3,430 | 65.25% | 1,529 | 29.09% | 298 | 5.67% | 1,901 | 36.16% | 5,257 |
| Judith Basin | 794 | 75.05% | 229 | 21.64% | 35 | 3.31% | 565 | 53.40% | 1,058 |
| Lake | 6,014 | 58.66% | 3,517 | 34.31% | 721 | 7.03% | 2,497 | 24.36% | 10,252 |
| Lewis and Clark | 14,221 | 56.54% | 9,684 | 38.50% | 1,246 | 4.95% | 4,537 | 18.04% | 25,151 |
| Liberty | 706 | 76.81% | 178 | 19.28% | 39 | 4.22% | 528 | 57.20% | 923 |
| Lincoln | 4,926 | 69.16% | 1,688 | 23.70% | 509 | 7.15% | 3,238 | 45.46% | 7,123 |
| Madison | 2,541 | 70.04% | 847 | 23.35% | 240 | 6.62% | 1,694 | 46.69% | 3,628 |
| McCone | 631 | 71.62% | 220 | 24.97% | 30 | 3.41% | 411 | 46.65% | 881 |
| Meagher | 610 | 74.66% | 152 | 18.60% | 55 | 6.73% | 458 | 56.06% | 817 |
| Mineral | 1,135 | 62.67% | 530 | 29.27% | 146 | 8.06% | 605 | 33.41% | 1,811 |
| Missoula | 17,789 | 47.14% | 17,637 | 46.73% | 2,314 | 6.13% | 152 | 0.40% | 37,740 |
| Musselshell | 1,356 | 72.40% | 385 | 20.56% | 132 | 7.05% | 971 | 51.84% | 1,873 |
| Park | 4,148 | 60.28% | 2,355 | 34.22% | 378 | 5.49% | 1,793 | 26.06% | 6,881 |
| Petroleum | 194 | 78.23% | 40 | 16.13% | 14 | 5.65% | 154 | 62.10% | 248 |
| Phillips | 1,490 | 80.76% | 274 | 14.85% | 81 | 4.39% | 1,216 | 65.91% | 1,845 |
| Pondera | 1,513 | 72.22% | 516 | 24.63% | 66 | 3.15% | 997 | 47.59% | 2,095 |
| Powder River | 708 | 80.18% | 139 | 15.74% | 36 | 4.08% | 569 | 64.44% | 883 |
| Powell | 1,513 | 68.90% | 538 | 24.50% | 145 | 6.60% | 975 | 44.40% | 2,196 |
| Prairie | 434 | 71.93% | 138 | 22.89% | 31 | 5.14% | 296 | 49.09% | 603 |
| Ravalli | 11,506 | 65.07% | 4,887 | 27.64% | 1,290 | 7.30% | 6,619 | 37.43% | 17,683 |
| Richland | 2,767 | 74.52% | 791 | 21.30% | 155 | 4.17% | 1,976 | 53.22% | 3,713 |
| Roosevelt | 1,559 | 54.30% | 1,211 | 42.18% | 101 | 3.52% | 338 | 11.77% | 2,871 |
| Rosebud | 1,507 | 56.76% | 990 | 37.29% | 158 | 5.95% | 517 | 19.47% | 2,655 |
| Sanders | 3,386 | 65.99% | 1,324 | 25.80% | 421 | 8.21% | 2,062 | 40.19% | 5,131 |
| Sheridan | 1,052 | 63.72% | 523 | 31.68% | 76 | 4.60% | 529 | 32.04% | 1,651 |
| Silver Bow | 5,133 | 43.71% | 6,044 | 51.47% | 586 | 4.99% | 911 | 7.76% | 11,743 |
| Stillwater | 2,549 | 68.01% | 984 | 26.25% | 215 | 5.74% | 1,565 | 41.76% | 3,748 |
| Sweet Grass | 1,250 | 72.55% | 394 | 22.87% | 79 | 4.59% | 856 | 49.68% | 1,723 |
| Teton | 1,932 | 70.80% | 654 | 23.96% | 143 | 5.24% | 1,278 | 46.83% | 2,729 |
| Toole | 1,293 | 73.97% | 366 | 20.94% | 89 | 5.09% | 927 | 53.03% | 1,748 |
| Treasure | 272 | 70.83% | 93 | 24.22% | 19 | 4.95% | 179 | 46.61% | 384 |
| Valley | 2,300 | 68.23% | 944 | 28.00% | 127 | 3.77% | 1,356 | 40.23% | 3,371 |
| Wheatland | 713 | 71.09% | 250 | 24.93% | 40 | 3.99% | 463 | 46.16% | 1,003 |
| Wibaux | 349 | 72.56% | 110 | 22.87% | 22 | 4.57% | 239 | 49.69% | 481 |
| Yellowstone | 29,768 | 57.82% | 18,192 | 35.34% | 3,520 | 6.84% | 11,576 | 22.49% | 51,480 |

#### Counties that flipped from Democratic to Republican

* Glacier (largest city: Cut Bank)