# 1948 United States presidential election in Montana

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The 1948 United States presidential election in Montana took place on November 2, 1948, as part of the 1948 United States presidential election. Voters chose four representatives, or electors to the Electoral College, who voted for president and vice president.
Montana voted for the Democratic nominee, President Harry S. Truman, over the Republican nominee, New York Governor Thomas E. Dewey. Truman won Montana by a substantial margin of 9.94%. As of the 2024 presidential election, this is the last election in which Carter County and Prairie County voted for a Democratic presidential candidate. This (and the prior election) also mark the last time that Montana has voted Democratic in two consecutive presidential elections.

## Results

1948 United States presidential election in Montana :
| Party | Party | Candidate | Votes | Percentage | Electoral votes |
| | Democratic | Harry Truman (incumbent) | 119,071 | 53.09% | 4 |
| | Republican | Thomas E. Dewey | 96,770 | 43.15% | 0 |
| | Progressive | Henry A. Wallace | 7,313 | 3.26% | 0 |
| | Socialist | Norman Thomas | 695 | 0.31% | 0 |
| | Prohibition | Claude Watson | 429 | 0.19% | 0 |
| Totals | Totals | Totals | 224,278 | 100.00% | 4 |

### Results by county

| County | Harry S. Truman Democratic | Harry S. Truman Democratic | Thomas Edmund Dewey Republican | Thomas Edmund Dewey Republican | Henry A. Wallace Progressive | Henry A. Wallace Progressive | Various candidates Other parties | Various candidates Other parties | Margin | Margin | Total votes cast |
| County | # | % | # | % | # | % | # | % | # | % | Total votes cast |
| Beaverhead | 1,356 | 45.12% | 1,583 | 52.68% | 63 | 2.10% | 3 | 0.10% | -227 | -7.55% | 3,005 |
| Big Horn | 1,328 | 49.15% | 1,334 | 49.37% | 32 | 1.18% | 8 | 0.30% | -6 | -0.22% | 2,702 |
| Blaine | 1,669 | 60.74% | 997 | 36.28% | 59 | 2.15% | 23 | 0.84% | 672 | 24.45% | 2,748 |
| Broadwater | 536 | 42.34% | 704 | 55.61% | 22 | 1.74% | 4 | 0.32% | -168 | -13.27% | 1,266 |
| Carbon | 1,997 | 47.90% | 1,901 | 45.60% | 248 | 5.95% | 23 | 0.55% | 96 | 2.30% | 4,169 |
| Carter | 568 | 52.40% | 501 | 46.22% | 12 | 1.11% | 3 | 0.28% | 67 | 6.18% | 1,084 |
| Cascade | 12,082 | 60.97% | 6,830 | 34.47% | 806 | 4.07% | 99 | 0.50% | 5,252 | 26.50% | 19,817 |
| Chouteau | 1,832 | 58.38% | 1,181 | 37.64% | 116 | 3.70% | 9 | 0.29% | 651 | 20.75% | 3,138 |
| Custer | 2,359 | 55.34% | 1,845 | 43.28% | 46 | 1.08% | 13 | 0.30% | 514 | 12.06% | 4,263 |
| Daniels | 826 | 54.24% | 624 | 40.97% | 70 | 4.60% | 3 | 0.20% | 202 | 13.26% | 1,523 |
| Dawson | 1,397 | 46.30% | 1,555 | 51.54% | 46 | 1.52% | 19 | 0.63% | -158 | -5.24% | 3,017 |
| Deer Lodge | 3,862 | 62.17% | 2,036 | 32.78% | 293 | 4.72% | 21 | 0.34% | 1,826 | 29.39% | 6,212 |
| Fallon | 623 | 46.88% | 678 | 51.02% | 22 | 1.66% | 6 | 0.45% | -55 | -4.14% | 1,329 |
| Fergus | 3,059 | 54.12% | 2,411 | 42.66% | 162 | 2.87% | 20 | 0.35% | 648 | 11.46% | 5,652 |
| Flathead | 4,546 | 49.45% | 4,240 | 46.12% | 326 | 3.55% | 81 | 0.88% | 306 | 3.33% | 9,193 |
| Gallatin | 3,548 | 44.63% | 4,220 | 53.08% | 135 | 1.70% | 47 | 0.59% | -672 | -8.45% | 7,950 |
| Garfield | 451 | 46.35% | 501 | 51.49% | 19 | 1.95% | 2 | 0.21% | -50 | -5.14% | 973 |
| Glacier | 2,238 | 63.80% | 1,238 | 35.29% | 22 | 0.63% | 10 | 0.29% | 1,000 | 28.51% | 3,508 |
| Golden Valley | 295 | 44.49% | 352 | 53.09% | 15 | 2.26% | 1 | 0.15% | -57 | -8.60% | 663 |
| Granite | 567 | 44.72% | 659 | 51.97% | 33 | 2.60% | 9 | 0.71% | -92 | -7.26% | 1,268 |
| Hill | 3,321 | 64.10% | 1,645 | 31.75% | 168 | 3.24% | 47 | 0.91% | 1,676 | 32.35% | 5,181 |
| Jefferson | 836 | 50.85% | 750 | 45.62% | 55 | 3.35% | 3 | 0.18% | 86 | 5.23% | 1,644 |
| Judith Basin | 934 | 56.20% | 609 | 36.64% | 113 | 6.80% | 6 | 0.36% | 325 | 19.55% | 1,662 |
| Lake | 2,177 | 46.82% | 2,295 | 49.35% | 152 | 3.27% | 26 | 0.56% | -118 | -2.54% | 4,650 |
| Lewis and Clark | 4,745 | 46.63% | 5,174 | 50.85% | 230 | 2.26% | 27 | 0.27% | -429 | -4.22% | 10,176 |
| Liberty | 542 | 58.53% | 354 | 38.23% | 27 | 2.92% | 3 | 0.32% | 188 | 20.30% | 926 |
| Lincoln | 1,689 | 58.38% | 1,079 | 37.30% | 105 | 3.63% | 20 | 0.69% | 610 | 21.09% | 2,893 |
| Madison | 1,006 | 42.68% | 1,300 | 55.15% | 45 | 1.91% | 6 | 0.25% | -294 | -12.47% | 2,357 |
| McCone | 702 | 51.20% | 518 | 37.78% | 146 | 10.65% | 5 | 0.36% | 184 | 13.42% | 1,371 |
| Meagher | 497 | 48.02% | 518 | 50.05% | 16 | 1.55% | 4 | 0.39% | -21 | -2.03% | 1,035 |
| Mineral | 475 | 55.23% | 338 | 39.30% | 41 | 4.77% | 6 | 0.70% | 137 | 15.93% | 860 |
| Missoula | 7,005 | 50.49% | 6,426 | 46.32% | 324 | 2.34% | 118 | 0.85% | 579 | 4.17% | 13,873 |
| Musselshell | 1,188 | 47.60% | 1,010 | 40.46% | 285 | 11.42% | 13 | 0.52% | 178 | 7.13% | 2,496 |
| Park | 2,222 | 45.86% | 2,461 | 50.79% | 131 | 2.70% | 31 | 0.64% | -239 | -4.93% | 4,845 |
| Petroleum | 235 | 50.98% | 214 | 46.42% | 12 | 2.60% | 0 | 0.00% | 21 | 4.56% | 461 |
| Phillips | 1,506 | 58.62% | 964 | 37.52% | 92 | 3.58% | 7 | 0.27% | 542 | 21.10% | 2,569 |
| Pondera | 1,555 | 60.98% | 902 | 35.37% | 85 | 3.33% | 8 | 0.31% | 653 | 25.61% | 2,550 |
| Powder River | 480 | 36.84% | 784 | 60.17% | 30 | 2.30% | 9 | 0.69% | -304 | -23.33% | 1,303 |
| Powell | 1,427 | 53.37% | 1,163 | 43.49% | 65 | 2.43% | 19 | 0.71% | 264 | 9.87% | 2,674 |
| Prairie | 527 | 50.58% | 499 | 47.89% | 16 | 1.54% | 0 | 0.00% | 28 | 2.69% | 1,042 |
| Ravalli | 2,159 | 45.71% | 2,354 | 49.84% | 151 | 3.20% | 59 | 1.25% | -195 | -4.13% | 4,723 |
| Richland | 1,673 | 54.14% | 1,332 | 43.11% | 62 | 2.01% | 23 | 0.74% | 341 | 11.04% | 3,090 |
| Roosevelt | 1,820 | 58.18% | 1,142 | 36.51% | 144 | 4.60% | 22 | 0.70% | 678 | 21.68% | 3,128 |
| Rosebud | 1,031 | 47.27% | 1,106 | 50.71% | 29 | 1.33% | 15 | 0.69% | -75 | -3.44% | 2,181 |
| Sanders | 1,425 | 51.50% | 1,191 | 43.04% | 134 | 4.84% | 17 | 0.61% | 234 | 8.46% | 2,767 |
| Sheridan | 1,515 | 61.76% | 699 | 28.50% | 220 | 8.97% | 19 | 0.77% | 816 | 33.27% | 2,453 |
| Silver Bow | 12,715 | 59.60% | 7,305 | 34.24% | 1,236 | 5.79% | 79 | 0.37% | 5,410 | 25.36% | 21,335 |
| Stillwater | 890 | 42.64% | 1,137 | 54.48% | 53 | 2.54% | 7 | 0.34% | -247 | -11.84% | 2,087 |
| Sweet Grass | 499 | 36.53% | 843 | 61.71% | 15 | 1.10% | 9 | 0.66% | -344 | -25.18% | 1,366 |
| Teton | 1,632 | 60.00% | 1,005 | 36.95% | 78 | 2.87% | 5 | 0.18% | 627 | 23.05% | 2,720 |
| Toole | 1,756 | 60.80% | 1,092 | 37.81% | 33 | 1.14% | 7 | 0.24% | 664 | 22.99% | 2,888 |
| Treasure | 291 | 51.96% | 253 | 45.18% | 15 | 2.68% | 1 | 0.18% | 38 | 6.79% | 560 |
| Valley | 2,535 | 61.68% | 1,375 | 33.45% | 183 | 4.45% | 17 | 0.41% | 1,160 | 28.22% | 4,110 |
| Wheatland | 733 | 47.81% | 780 | 50.88% | 14 | 0.91% | 6 | 0.39% | -47 | -3.07% | 1,533 |
| Wibaux | 471 | 52.04% | 421 | 46.52% | 4 | 0.44% | 9 | 0.99% | 50 | 5.52% | 905 |
| Yellowstone | 9,718 | 47.67% | 10,342 | 50.74% | 251 | 1.23% | 73 | 0.36% | -624 | -3.06% | 20,384 |
| Totals | 119,071 | 53.09% | 96,770 | 43.15% | 7,307 | 3.26% | 1,130 | 0.50% | 22,301 | 9.94% | 224,278 |

#### Counties that flipped from Democratic to Republican

* Gallatin
* Lewis and Clark

#### Counties that flipped from Republican to Democratic

* Carbon
* Flathead
* Petroleum
* Prairie
* Treasure
* Wibaux