# 2004 Montana House of Representatives election

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An election was held on November 2, 2004 to elect all 100 members to Montana's House of Representatives. The election coincided with elections for other offices, including U.S. President, U.S. House of Representatives, Governor and State Senate. The primary election was held on June 8, 2004.
A net loss of three seats by the Republicans resulted in the House being tied at 50 seats each. Democrats regained control of the House after 12 years by virtue of Governor Brian Schweitzer being a Democrat.

## Predictions

| Source | Ranking | As of |
| Rothenberg | Lean R | October 1, 2004 |

## Results
### Statewide

Statewide results of the 2004 Montana House of Representatives election:
| Party | Party | Candi- dates | Votes | Votes | Votes | Seats | Seats | Seats |
| Party | Party | Candi- dates | No. | % | +/– | No. | +/– | % |
| | Republican Party | 85 | 210,607 | 50.36% | 0.02% | 50 | 3 | 50.00% |
| | Democratic Party | 90 | 196,372 | 46.96% | 0.16% | 50 | 3 | 50.00% |
| | Constitution Party | 12 | 6,685 | 1.60% | 0.69% | 0 | | 0.00% |
| | Independent | 3 | 3,460 | 0.83% | 0.15% | 0 | | 0.00% |
| | Green Party | 4 | 1,053 | 0.25% | 0.15% | 0 | | 0.00% |
| Total | Total | 194 | 418,177 | 100.00% | | 100 | | 100.00% |

### District

Results of the 2004 Montana House of Representatives election by district:
| District | Democratic | Democratic | Republican | Republican | Others | Others | Total votes | Result |
| District | Votes | % | Votes | % | Votes | % | Total votes | Result |
| 1st district | 1,776 | 47.40% | 1,825 | 48.71% | 146 | 3.90% | 3,747 | Republican hold |
| 2nd district | 1,852 | 41.76% | 2,583 | 58.24% | - | - | 4,435 | Republican gain |
| 3rd district | 1,497 | 36.86% | 2,564 | 63.14% | - | - | 4,061 | Republican hold |
| 4th district | 2,600 | 54.74% | 2,150 | 45.26% | - | - | 4,750 | Democratic hold |
| 5th district | 1,572 | 31.66% | 3,393 | 68.34% | - | - | 4,965 | Republican gain |
| 6th district | 1,780 | 35.29% | 3,264 | 64.71% | - | - | 5,044 | Republican gain |
| 7th district | 1,130 | 27.75% | 2,725 | 66.92% | 217 | 5.33% | 4,072 | Republican gain |
| 8th district | 2,096 | 52.05% | 1,931 | 47.95% | - | - | 4,027 | Democratic gain |
| 9th district | - | - | 4,052 | 100.00% | - | - | 4,052 | Republican hold |
| 10th district | 1,201 | 23.85% | 3,834 | 76.15% | - | - | 5,035 | Republican hold |
| 11th district | 2,004 | 41.46% | 2,830 | 58.54% | - | - | 4,834 | Republican gain |
| 12th district | 1,559 | 36.90% | 1,107 | 26.20% | 1,559 | 36.90% | 4,225 | Democratic gain |
| 13th district | 2,288 | 49.59% | 2,112 | 45.77% | 214 | 4.64% | 4,614 | Democratic hold |
| 14th district | 1,848 | 42.41% | 2,509 | 57.59% | - | - | 4,357 | Republican hold |
| 15th district | 2,607 | 100.00% | - | - | - | - | 2,607 | Democratic gain |
| 16th district | 2,480 | 100.00% | - | - | - | - | 2,480 | Democratic hold |
| 17th district | - | - | 3,763 | 100.00% | - | - | 3,763 | Republican gain |
| 18th district | 1,999 | 40.59% | 2,926 | 59.41% | - | - | 4,925 | Republican gain |
| 19th district | 1,727 | 40.72% | 2,255 | 53.17% | 259 | 6.11% | 4,241 | Republican hold |
| 20th district | 2,063 | 58.44% | 1,467 | 41.56% | - | - | 3,530 | Democratic hold |
| 21st district | 2,718 | 78.24% | - | - | 756 | 21.76% | 3,474 | Democratic gain |
| 22nd district | 1,895 | 59.76% | 1,057 | 33.33% | 219 | 6.91% | 3,171 | Democratic gain |
| 23rd district | 2,097 | 72.11% | - | - | 811 | 27.89% | 2,908 | Democratic gain |
| 24th district | 1,383 | 69.22% | - | - | 615 | 30.78% | 1,998 | Democratic gain |
| 25th district | 3,627 | 100.00% | - | - | - | - | 3,627 | Democratic gain |
| 26th district | 1,638 | 51.85% | 1,521 | 48.15% | - | - | 3,159 | Democratic gain |
| 27th district | 2,012 | 47.80% | 2,197 | 52.20% | - | - | 4,209 | Republican hold |
| 28th district | 1,526 | 33.35% | 3,050 | 66.65% | - | - | 4,576 | Republican hold |
| 29th district | 1,452 | 31.17% | 3,206 | 68.83% | - | - | 4,658 | Republican gain |
| 30th district | - | - | 4,023 | 100.00% | - | - | 4,023 | Republican gain |
| 31st district | 2,016 | 62.67% | 1,201 | 37.33% | - | - | 3,217 | Democratic gain |
| 32nd district | 1,968 | 59.06% | 1,364 | 40.94% | - | - | 3,332 | Democratic gain |
| 33rd district | 2,415 | 68.55% | 1,108 | 31.45% | - | - | 3,523 | Democratic gain |
| 34th district | 2,089 | 60.50% | 1,364 | 39.50% | - | - | 3,453 | Democratic gain |
| 35th district | 2,057 | 44.39% | 2,577 | 55.61% | - | - | 4,634 | Republican gain |
| 36th district | - | - | 3,515 | 100.00% | - | - | 3,515 | Republican gain |
| 37th district | - | - | 3,591 | 100.00% | - | - | 3,591 | Republican gain |
| 38th district | 2,236 | 50.96% | 2,152 | 49.04% | - | - | 4,388 | Democratic hold |
| 39th district | - | - | 4,097 | 100.00% | - | - | 4,097 | Republican hold |
| 40th district | 3,368 | 100.00% | - | - | - | - | 3,368 | Democratic gain |
| 41st district | 1,964 | 100.00% | - | - | - | - | 1,964 | Democratic hold |
| 42nd district | 2,388 | 100.00% | - | - | - | - | 2,388 | Democratic hold |
| 43rd district | 2,659 | 58.78% | 1,865 | 41.22% | - | - | 4,524 | Democratic hold |
| 44th district | 1,986 | 48.87% | 2,078 | 51.13% | - | - | 4,064 | Republican gain |
| 45th district | - | - | 3,782 | 100.00% | - | - | 3,782 | Republican gain |
| 46th district | 1,669 | 32.78% | 3,422 | 67.22% | - | - | 5,091 | Republican gain |
| 47th district | 1,958 | 40.72% | 2,851 | 59.28% | - | - | 4,809 | Republican gain |
| 48th district | 1,990 | 50.84% | 1,924 | 49.16% | - | - | 3,914 | Democratic hold |
| 49th district | 1,412 | 39.09% | 2,058 | 56.98% | 142 | 3.93% | 3,612 | Republican hold |
| 50th district | 1,959 | 43.59% | 2,535 | 56.41% | - | - | 4,494 | Republican hold |
| 51st district | 1,699 | 51.47% | 1,602 | 48.53% | - | - | 3,301 | Democratic hold |
| 52nd district | 2,213 | 55.53% | 1,772 | 44.47% | - | - | 3,985 | Democratic hold |
| 53rd district | 1,766 | 45.39% | 2,125 | 54.61% | - | - | 3,891 | Republican gain |
| 54th district | 1,706 | 53.75% | 1,468 | 46.25% | - | - | 3,174 | Democratic hold |
| 55th district | 1,751 | 35.61% | 3,166 | 64.39% | - | - | 4,917 | Republican hold |
| 56th district | 1,875 | 34.32% | 3,395 | 62.13% | 194 | 3.55% | 5,464 | Republican hold |
| 57th district | 2,199 | 39.21% | 3,409 | 60.79% | - | - | 5,608 | Republican gain |
| 58th district | 2,269 | 51.20% | 2,163 | 48.80% | - | - | 4,432 | Democratic gain |
| 59th district | 2,298 | 47.82% | 2,508 | 52.18% | - | - | 4,806 | Republican hold |
| 60th district | 1,583 | 34.91% | 2,952 | 65.09% | - | - | 4,535 | Republican hold |
| 61st district | 1,731 | 34.01% | 2,950 | 57.96% | 409 | 8.04% | 5,090 | Republican hold |
| 62nd district | 1,874 | 42.90% | 2,494 | 57.10% | - | - | 4,368 | Republican hold |
| 63rd district | 2,889 | 48.61% | 3,054 | 51.39% | - | - | 5,943 | Republican hold |
| 64th district | 2,647 | 55.56% | 2,117 | 44.44% | - | - | 4,764 | Democratic hold |
| 65th district | 2,064 | 61.19% | 1,309 | 38.81% | - | - | 3,373 | Democratic hold |
| 66th district | 2,783 | 63.39% | - | - | 1,607 | 36.61% | 4,390 | Democratic hold |
| 67th district | 1,457 | 30.40% | 3,336 | 69.60% | - | - | 4,793 | Republican gain |
| 68th district | 1,809 | 35.35% | 3,309 | 64.65% | - | - | 5,118 | Republican gain |
| 69th district | - | - | 3,738 | 68.87% | 1,690 | 31.13% | 5,428 | Republican gain |
| 70th district | 2,226 | 40.25% | 3,305 | 59.75% | - | - | 5,531 | Republican gain |
| 71st district | 1,368 | 26.55% | 3,785 | 73.45% | - | - | 5,153 | Republican hold |
| 72nd district | - | - | 3,440 | 100.00% | - | - | 3,440 | Republican gain |
| 73rd district | 3,067 | 100.00% | - | - | - | - | 3,067 | Democratic hold |
| 74th district | 2,734 | 56.84% | 1,154 | 23.99% | 922 | 19.17% | 4,810 | Democratic gain |
| 75th district | 3,324 | 87.98% | - | - | 454 | 12.02% | 3,778 | Democratic gain |
| 76th district | 2,174 | 71.94% | - | - | 848 | 28.06% | 3,022 | Democratic gain |
| 77th district | 2,216 | 43.34% | 2,897 | 56.66% | - | - | 5,113 | Republican hold |
| 78th district | 1,973 | 51.06% | 1,891 | 48.94% | - | - | 3,864 | Democratic hold |
| 79th district | 3,046 | 62.13% | 1,857 | 37.87% | - | - | 4,903 | Democratic gain |
| 80th district | 2,659 | 58.25% | 1,906 | 41.75% | - | - | 4,565 | Democratic gain |
| 81st district | 3,000 | 70.87% | 1,233 | 29.13% | - | - | 4,233 | Democratic gain |
| 82nd district | 2,913 | 61.66% | 1,811 | 38.34% | - | - | 4,724 | Democratic hold |
| 83rd district | - | - | 3,614 | 100.00% | - | - | 3,614 | Republican hold |
| 84th district | 1,671 | 35.85% | 2,990 | 64.15% | - | - | 4,661 | Republican hold |
| 85th district | 1,538 | 51.44% | 1,452 | 48.56% | - | - | 2,990 | Democratic hold |
| 86th district | 3,629 | 100.00% | - | - | - | - | 3,629 | Democratic hold |
| 87th district | 1,670 | 34.21% | 3,211 | 65.79% | - | - | 4,881 | Republican hold |
| 88th district | 2,066 | 47.22% | 2,309 | 52.78% | - | - | 4,375 | Republican hold |
| 89th district | 1,605 | 32.76% | 3,295 | 67.24% | - | - | 4,900 | Republican hold |
| 90th district | 2,005 | 41.96% | 2,773 | 58.04% | - | - | 4,778 | Republican gain |
| 91st district | 2,200 | 52.46% | 1,994 | 47.54% | - | - | 4,194 | Democratic hold |
| 92nd district | 2,928 | 55.07% | 2,389 | 44.93% | - | - | 5,317 | Democratic hold |
| 93rd district | 4,203 | 100.00% | - | - | - | - | 4,203 | Democratic gain |
| 94th district | 2,956 | 62.65% | 1,762 | 37.35% | - | - | 4,718 | Democratic gain |
| 95th district | 2,856 | 60.44% | 1,869 | 39.56% | - | - | 4,725 | Democratic gain |
| 96th district | 2,540 | 62.07% | 1,552 | 37.93% | - | - | 4,092 | Democratic gain |
| 97th district | 3,064 | 64.93% | 1,655 | 35.07% | - | - | 4,719 | Democratic gain |
| 98th district | 2,507 | 55.37% | 2,021 | 44.63% | - | - | 4,528 | Democratic hold |
| 99th district | 3,100 | 64.30% | 1,721 | 35.70% | - | - | 4,821 | Democratic gain |
| 100th district | 1,960 | 47.55% | 2,026 | 49.15% | 136 | 3.30% | 4,122 | Republican hold |
| Total | 196,372 | 46.96% | 210,607 | 50.36% | 11,198 | 2.68% | 418,177 | |