# 1940 United States presidential election in Missouri

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The 1940 United States presidential election in Missouri took place on November 5, 1940, as part of the 1940 United States presidential election. Voters chose 15 representatives, or electors, to the Electoral College, who voted for president and vice president.
Missouri was won by incumbent President Franklin D. Roosevelt (D–New York), running with Secretary Henry A. Wallace, with 52.27 percent of the popular vote, against Wendell Willkie (R–New York), running with Minority Leader Charles L. McNary, with 47.50 percent of the popular vote.
Despite his victory, Roosevelt carried Missouri by a greatly reduced margin than he had four years prior, defeating Wilkie by less than five percentage points, In 1936, Roosevelt had defeated Alf Landon in the state by more than 22 percentage points and with over 60% of the vote.

## Results

1940 United States presidential election in Missouri :
| Party | Party | Candidate | Votes | % |
| | Democratic | Franklin D. Roosevelt (inc.) | 958,476 | 52.27% |
| | Republican | Wendell Willkie | 871,009 | 47.50% |
| | Socialist | Norman Thomas | 2,226 | 0.12% |
| | Prohibition | Roger W. Babson | 1,809 | 0.10% |
| | Socialist Labor | John W. Aiken | 209 | 0.01% |
| Total votes | Total votes | Total votes | 1,833,729 | 100% |

### Results by county

1940 United States presidential election in Missouri by county :
| County | Franklin D. Roosevelt Democratic | Franklin D. Roosevelt Democratic | Wendell Willkie Republican | Wendell Willkie Republican | Norman Thomas Socialist | Norman Thomas Socialist | Roger W. Babson Prohibition | Roger W. Babson Prohibition | John W. Aiken Socialist Labor | John W. Aiken Socialist Labor | Margin | Margin | Total votes cast |
| County | # | % | # | % | # | % | # | % | # | % | # | % | Total votes cast |
| Adair | 4,813 | 45.55% | 5,688 | 53.83% | 28 | 0.27% | 36 | 0.34% | 1 | 0.01% | -875 | -8.28% | 10,566 |
| Andrew | 3,059 | 41.04% | 4,384 | 58.81% | 3 | 0.04% | 8 | 0.11% | 0 | 0.00% | -1,325 | -17.78% | 7,454 |
| Atchison | 3,025 | 47.58% | 3,322 | 52.25% | 4 | 0.06% | 7 | 0.11% | 0 | 0.00% | -297 | -4.67% | 6,358 |
| Audrain | 7,768 | 69.21% | 3,447 | 30.71% | 4 | 0.04% | 5 | 0.04% | 0 | 0.00% | 4,321 | 38.50% | 11,224 |
| Barry | 5,207 | 44.11% | 6,573 | 55.68% | 9 | 0.08% | 15 | 0.13% | 0 | 0.00% | -1,366 | -11.57% | 11,804 |
| Barton | 3,539 | 48.38% | 3,737 | 51.09% | 15 | 0.21% | 22 | 0.30% | 2 | 0.03% | -198 | -2.71% | 7,315 |
| Bates | 4,978 | 46.36% | 5,727 | 53.33% | 10 | 0.09% | 23 | 0.21% | 0 | 0.00% | -749 | -6.98% | 10,738 |
| Benton | 1,765 | 30.99% | 3,912 | 68.69% | 9 | 0.16% | 7 | 0.12% | 2 | 0.04% | -2,147 | -37.70% | 5,695 |
| Bollinger | 2,511 | 42.32% | 3,415 | 57.55% | 4 | 0.07% | 4 | 0.07% | 0 | 0.00% | -904 | -15.23% | 5,934 |
| Boone | 11,615 | 70.21% | 4,869 | 29.43% | 31 | 0.19% | 26 | 0.16% | 2 | 0.01% | 6,746 | 40.78% | 16,543 |
| Buchanan | 24,482 | 58.30% | 17,484 | 41.63% | 16 | 0.04% | 12 | 0.03% | 1 | 0.00% | 6,998 | 16.66% | 41,995 |
| Butler | 6,213 | 43.52% | 8,024 | 56.21% | 15 | 0.11% | 23 | 0.16% | 0 | 0.00% | -1,811 | -12.69% | 14,275 |
| Caldwell | 2,728 | 40.64% | 3,976 | 59.23% | 6 | 0.09% | 3 | 0.04% | 0 | 0.00% | -1,248 | -18.59% | 6,713 |
| Callaway | 7,162 | 66.58% | 3,574 | 33.22% | 9 | 0.08% | 12 | 0.11% | 0 | 0.00% | 3,588 | 33.36% | 10,757 |
| Camden | 1,549 | 36.48% | 2,692 | 63.40% | 2 | 0.05% | 2 | 0.05% | 1 | 0.02% | -1,143 | -26.92% | 4,246 |
| Cape Girardeau | 8,642 | 48.07% | 9,297 | 51.71% | 19 | 0.11% | 18 | 0.10% | 2 | 0.01% | -655 | -3.64% | 17,978 |
| Carroll | 4,446 | 42.52% | 6,000 | 57.38% | 2 | 0.02% | 9 | 0.09% | 0 | 0.00% | -1,554 | -14.86% | 10,457 |
| Carter | 1,499 | 55.58% | 1,195 | 44.31% | 1 | 0.04% | 2 | 0.07% | 0 | 0.00% | 304 | 11.27% | 2,697 |
| Cass | 5,479 | 52.29% | 4,983 | 47.55% | 12 | 0.11% | 5 | 0.05% | 0 | 0.00% | 496 | 4.73% | 10,479 |
| Cedar | 1,973 | 32.49% | 4,068 | 66.99% | 15 | 0.25% | 16 | 0.26% | 1 | 0.02% | -2,095 | -34.50% | 6,073 |
| Chariton | 5,053 | 53.21% | 4,439 | 46.74% | 2 | 0.02% | 2 | 0.02% | 1 | 0.01% | 614 | 6.47% | 9,497 |
| Christian | 1,729 | 27.65% | 4,509 | 72.11% | 7 | 0.11% | 7 | 0.11% | 1 | 0.02% | -2,780 | -44.46% | 6,253 |
| Clark | 2,728 | 46.10% | 3,171 | 53.59% | 8 | 0.14% | 10 | 0.17% | 0 | 0.00% | -443 | -7.49% | 5,917 |
| Clay | 9,672 | 60.98% | 6,159 | 38.83% | 11 | 0.07% | 19 | 0.12% | 0 | 0.00% | 3,513 | 22.15% | 15,861 |
| Clinton | 3,800 | 55.50% | 3,030 | 44.25% | 5 | 0.07% | 12 | 0.18% | 0 | 0.00% | 770 | 11.25% | 6,847 |
| Cole | 8,219 | 51.72% | 7,664 | 48.23% | 2 | 0.01% | 7 | 0.04% | 0 | 0.00% | 555 | 3.49% | 15,892 |
| Cooper | 4,606 | 44.53% | 5,720 | 55.30% | 2 | 0.02% | 13 | 0.13% | 2 | 0.02% | -1,114 | -10.77% | 10,343 |
| Crawford | 2,736 | 42.99% | 3,615 | 56.79% | 8 | 0.13% | 5 | 0.08% | 1 | 0.02% | -879 | -13.81% | 6,365 |
| Dade | 1,835 | 31.85% | 3,910 | 67.87% | 5 | 0.09% | 11 | 0.19% | 0 | 0.00% | -2,075 | -36.02% | 5,761 |
| Dallas | 1,566 | 28.81% | 3,859 | 71.00% | 7 | 0.13% | 3 | 0.06% | 0 | 0.00% | -2,293 | -42.19% | 5,435 |
| Daviess | 3,325 | 43.61% | 4,289 | 56.25% | 3 | 0.04% | 6 | 0.08% | 2 | 0.03% | -964 | -12.64% | 7,625 |
| DeKalb | 2,505 | 44.79% | 3,072 | 54.93% | 5 | 0.09% | 10 | 0.18% | 1 | 0.02% | -567 | -10.14% | 5,593 |
| Dent | 3,101 | 53.78% | 2,652 | 45.99% | 9 | 0.16% | 3 | 0.05% | 1 | 0.02% | 449 | 7.79% | 5,766 |
| Douglas | 1,350 | 21.59% | 4,870 | 77.90% | 21 | 0.34% | 10 | 0.16% | 1 | 0.02% | -3,520 | -56.30% | 6,252 |
| Dunklin | 11,132 | 66.74% | 5,516 | 33.07% | 14 | 0.08% | 18 | 0.11% | 0 | 0.00% | 5,616 | 33.67% | 16,680 |
| Franklin | 7,237 | 41.22% | 10,283 | 58.58% | 23 | 0.13% | 9 | 0.05% | 3 | 0.02% | -3,046 | -17.35% | 17,555 |
| Gasconade | 1,163 | 17.89% | 5,333 | 82.03% | 5 | 0.08% | 0 | 0.00% | 0 | 0.00% | -4,170 | -64.14% | 6,501 |
| Gentry | 3,689 | 51.57% | 3,446 | 48.17% | 9 | 0.13% | 9 | 0.13% | 1 | 0.01% | 243 | 3.40% | 7,154 |
| Greene | 22,130 | 50.65% | 21,456 | 49.10% | 37 | 0.08% | 70 | 0.16% | 2 | 0.00% | 674 | 1.54% | 43,695 |
| Grundy | 3,813 | 45.37% | 4,558 | 54.24% | 7 | 0.08% | 26 | 0.31% | 0 | 0.00% | -745 | -8.86% | 8,404 |
| Harrison | 3,325 | 38.50% | 5,304 | 61.42% | 7 | 0.08% | 0 | 0.00% | 0 | 0.00% | -1,979 | -22.92% | 8,636 |
| Henry | 6,069 | 48.85% | 6,332 | 50.97% | 11 | 0.09% | 11 | 0.09% | 0 | 0.00% | -263 | -2.12% | 12,423 |
| Hickory | 787 | 23.91% | 2,496 | 75.84% | 3 | 0.09% | 5 | 0.15% | 0 | 0.00% | -1,709 | -51.93% | 3,291 |
| Holt | 2,677 | 41.68% | 3,739 | 58.22% | 2 | 0.03% | 4 | 0.06% | 0 | 0.00% | -1,062 | -16.54% | 6,422 |
| Howard | 4,770 | 66.97% | 2,333 | 32.75% | 12 | 0.17% | 7 | 0.10% | 1 | 0.01% | 2,437 | 34.21% | 7,123 |
| Howell | 4,218 | 40.57% | 6,158 | 59.23% | 10 | 0.10% | 11 | 0.11% | 0 | 0.00% | -1,940 | -18.66% | 10,397 |
| Iron | 2,495 | 54.65% | 2,062 | 45.17% | 2 | 0.04% | 5 | 0.11% | 1 | 0.02% | 433 | 9.49% | 4,565 |
| Jackson | 137,285 | 57.39% | 101,568 | 42.46% | 184 | 0.08% | 157 | 0.07% | 25 | 0.01% | 35,717 | 14.93% | 239,219 |
| Jasper | 18,249 | 48.83% | 18,755 | 50.19% | 50 | 0.13% | 57 | 0.15% | 0 | 0.00% | -506 | -1.35% | 37,370 |
| Jefferson | 9,553 | 55.82% | 7,517 | 43.92% | 28 | 0.16% | 16 | 0.09% | 1 | 0.01% | 2,036 | 11.90% | 17,115 |
| Johnson | 5,441 | 45.62% | 6,468 | 54.23% | 8 | 0.07% | 11 | 0.09% | 0 | 0.00% | -1,027 | -8.61% | 11,928 |
| Knox | 2,594 | 52.06% | 2,370 | 47.56% | 19 | 0.38% | 0 | 0.00% | 0 | 0.00% | 224 | 4.50% | 4,983 |
| Laclede | 3,323 | 40.14% | 4,941 | 59.69% | 5 | 0.06% | 9 | 0.11% | 0 | 0.00% | -1,618 | -19.55% | 8,278 |
| Lafayette | 6,913 | 43.91% | 8,802 | 55.91% | 19 | 0.12% | 8 | 0.05% | 2 | 0.01% | -1,889 | -12.00% | 15,744 |
| Lawrence | 5,279 | 41.76% | 7,317 | 57.88% | 5 | 0.04% | 39 | 0.31% | 1 | 0.01% | -2,038 | -16.12% | 12,641 |
| Lewis | 3,484 | 58.63% | 2,428 | 40.86% | 9 | 0.15% | 21 | 0.35% | 0 | 0.00% | 1,056 | 17.77% | 5,942 |
| Lincoln | 4,420 | 59.09% | 3,035 | 40.57% | 5 | 0.07% | 18 | 0.24% | 2 | 0.03% | 1,385 | 18.52% | 7,480 |
| Linn | 6,246 | 52.34% | 5,664 | 47.46% | 9 | 0.08% | 15 | 0.13% | 0 | 0.00% | 582 | 4.88% | 11,934 |
| Livingston | 4,633 | 46.53% | 5,298 | 53.21% | 6 | 0.06% | 19 | 0.19% | 0 | 0.00% | -665 | -6.68% | 9,956 |
| Macon | 6,120 | 53.13% | 5,384 | 46.74% | 10 | 0.09% | 4 | 0.03% | 1 | 0.01% | 736 | 6.39% | 11,519 |
| Madison | 2,405 | 49.03% | 2,495 | 50.87% | 1 | 0.02% | 4 | 0.08% | 0 | 0.00% | -90 | -1.83% | 4,905 |
| Maries | 2,078 | 54.17% | 1,749 | 45.59% | 1 | 0.03% | 8 | 0.21% | 0 | 0.00% | 329 | 8.58% | 3,836 |
| Marion | 9,723 | 62.09% | 5,892 | 37.62% | 12 | 0.08% | 33 | 0.21% | 0 | 0.00% | 3,831 | 24.46% | 15,660 |
| McDonald | 3,312 | 44.79% | 4,063 | 54.95% | 8 | 0.11% | 11 | 0.15% | 0 | 0.00% | -751 | -10.16% | 7,394 |
| Mercer | 1,364 | 32.78% | 2,787 | 66.98% | 4 | 0.10% | 4 | 0.10% | 2 | 0.05% | -1,423 | -34.20% | 4,161 |
| Miller | 3,113 | 43.80% | 3,971 | 55.87% | 9 | 0.13% | 14 | 0.20% | 0 | 0.00% | -858 | -12.07% | 7,107 |
| Mississippi | 4,362 | 58.46% | 3,073 | 41.18% | 4 | 0.05% | 21 | 0.28% | 2 | 0.03% | 1,289 | 17.27% | 7,462 |
| Moniteau | 2,922 | 44.57% | 3,627 | 55.32% | 3 | 0.05% | 3 | 0.05% | 1 | 0.02% | -705 | -10.75% | 6,556 |
| Monroe | 6,018 | 83.23% | 1,200 | 16.60% | 5 | 0.07% | 8 | 0.11% | 0 | 0.00% | 4,818 | 66.63% | 7,231 |
| Montgomery | 3,205 | 44.82% | 3,930 | 54.96% | 7 | 0.10% | 8 | 0.11% | 1 | 0.01% | -725 | -10.14% | 7,151 |
| Morgan | 2,376 | 42.76% | 3,166 | 56.98% | 6 | 0.11% | 7 | 0.13% | 1 | 0.02% | -790 | -14.22% | 5,556 |
| New Madrid | 9,591 | 60.20% | 6,318 | 39.65% | 6 | 0.04% | 18 | 0.11% | 0 | 0.00% | 3,273 | 20.54% | 15,933 |
| Newton | 6,256 | 43.55% | 8,064 | 56.14% | 21 | 0.15% | 21 | 0.15% | 2 | 0.01% | -1,808 | -12.59% | 14,364 |
| Nodaway | 6,696 | 49.74% | 6,759 | 50.21% | 4 | 0.03% | 2 | 0.01% | 0 | 0.00% | -63 | -0.47% | 13,461 |
| Oregon | 3,593 | 66.12% | 1,826 | 33.60% | 2 | 0.04% | 13 | 0.24% | 0 | 0.00% | 1,767 | 32.52% | 5,434 |
| Osage | 2,332 | 38.32% | 3,743 | 61.50% | 8 | 0.13% | 3 | 0.05% | 0 | 0.00% | -1,411 | -23.18% | 6,086 |
| Ozark | 965 | 21.91% | 3,421 | 77.66% | 11 | 0.25% | 6 | 0.14% | 2 | 0.05% | -2,456 | -55.75% | 4,405 |
| Pemiscot | 9,391 | 60.77% | 6,011 | 38.90% | 10 | 0.06% | 41 | 0.27% | 0 | 0.00% | 3,380 | 21.87% | 15,453 |
| Perry | 2,354 | 33.54% | 4,656 | 66.33% | 7 | 0.10% | 2 | 0.03% | 0 | 0.00% | -2,302 | -32.80% | 7,019 |
| Pettis | 8,570 | 48.99% | 8,905 | 50.91% | 6 | 0.03% | 11 | 0.06% | 0 | 0.00% | -335 | -1.92% | 17,492 |
| Phelps | 4,780 | 58.91% | 3,319 | 40.90% | 8 | 0.10% | 5 | 0.06% | 2 | 0.02% | 1,461 | 18.01% | 8,114 |
| Pike | 5,742 | 60.51% | 3,707 | 39.07% | 14 | 0.15% | 25 | 0.26% | 1 | 0.01% | 2,035 | 21.45% | 9,489 |
| Platte | 4,635 | 64.44% | 2,545 | 35.38% | 13 | 0.18% | 0 | 0.00% | 0 | 0.00% | 2,090 | 29.06% | 7,193 |
| Polk | 3,380 | 37.86% | 5,534 | 61.98% | 7 | 0.08% | 7 | 0.08% | 0 | 0.00% | -2,154 | -24.13% | 8,928 |
| Pulaski | 2,752 | 53.68% | 2,367 | 46.17% | 5 | 0.10% | 3 | 0.06% | 0 | 0.00% | 385 | 7.51% | 5,127 |
| Putnam | 1,708 | 30.71% | 3,828 | 68.84% | 17 | 0.31% | 8 | 0.14% | 0 | 0.00% | -2,120 | -38.12% | 5,561 |
| Ralls | 3,562 | 71.53% | 1,412 | 28.35% | 2 | 0.04% | 4 | 0.08% | 0 | 0.00% | 2,150 | 43.17% | 4,980 |
| Randolph | 9,155 | 73.26% | 3,319 | 26.56% | 4 | 0.03% | 19 | 0.15% | 0 | 0.00% | 5,836 | 46.70% | 12,497 |
| Ray | 5,786 | 62.88% | 3,399 | 36.94% | 4 | 0.04% | 11 | 0.12% | 1 | 0.01% | 2,387 | 25.94% | 9,201 |
| Reynolds | 2,406 | 66.83% | 1,187 | 32.97% | 1 | 0.03% | 6 | 0.17% | 0 | 0.00% | 1,219 | 33.86% | 3,600 |
| Ripley | 2,419 | 51.20% | 2,291 | 48.49% | 14 | 0.30% | 1 | 0.02% | 0 | 0.00% | 128 | 2.71% | 4,725 |
| Saint Charles | 5,334 | 40.48% | 7,792 | 59.14% | 41 | 0.31% | 5 | 0.04% | 4 | 0.03% | -2,458 | -18.66% | 13,176 |
| Saint Clair | 2,859 | 41.83% | 3,950 | 57.80% | 7 | 0.10% | 17 | 0.25% | 1 | 0.01% | -1,091 | -15.96% | 6,834 |
| Saint Francois | 8,132 | 48.26% | 8,687 | 51.55% | 13 | 0.08% | 19 | 0.11% | 0 | 0.00% | -555 | -3.29% | 16,851 |
| Saint Louis County | 52,380 | 43.74% | 66,909 | 55.88% | 330 | 0.28% | 110 | 0.09% | 18 | 0.02% | -14,529 | -12.13% | 119,747 |
| Saint Louis City | 233,338 | 57.98% | 168,165 | 41.79% | 652 | 0.16% | 209 | 0.05% | 87 | 0.02% | 65,173 | 16.19% | 402,451 |
| Sainte Genevieve | 2,098 | 43.20% | 2,750 | 56.63% | 8 | 0.16% | 0 | 0.00% | 0 | 0.00% | -652 | -13.43% | 4,856 |
| Saline | 7,988 | 52.03% | 7,336 | 47.79% | 6 | 0.04% | 22 | 0.14% | 0 | 0.00% | 652 | 4.25% | 15,352 |
| Schuyler | 1,998 | 53.31% | 1,732 | 46.21% | 10 | 0.27% | 7 | 0.19% | 1 | 0.03% | 266 | 7.10% | 3,748 |
| Scotland | 2,435 | 50.87% | 2,329 | 48.65% | 12 | 0.25% | 10 | 0.21% | 1 | 0.02% | 106 | 2.21% | 4,787 |
| Scott | 7,899 | 64.00% | 4,401 | 35.66% | 18 | 0.15% | 22 | 0.18% | 2 | 0.02% | 3,498 | 28.34% | 12,342 |
| Shannon | 2,806 | 63.44% | 1,589 | 35.93% | 20 | 0.45% | 8 | 0.18% | 0 | 0.00% | 1,217 | 27.52% | 4,423 |
| Shelby | 4,028 | 64.75% | 2,167 | 34.83% | 3 | 0.05% | 23 | 0.37% | 0 | 0.00% | 1,861 | 29.91% | 6,221 |
| Stoddard | 6,725 | 52.47% | 6,055 | 47.24% | 19 | 0.15% | 18 | 0.14% | 1 | 0.01% | 670 | 5.23% | 12,818 |
| Stone | 1,041 | 22.40% | 3,598 | 77.43% | 6 | 0.13% | 2 | 0.04% | 0 | 0.00% | -2,557 | -55.02% | 4,647 |
| Sullivan | 3,743 | 47.77% | 4,080 | 52.07% | 2 | 0.03% | 11 | 0.14% | 0 | 0.00% | -337 | -4.30% | 7,836 |
| Taney | 1,497 | 31.96% | 3,167 | 67.61% | 8 | 0.17% | 10 | 0.21% | 2 | 0.04% | -1,670 | -35.65% | 4,684 |
| Texas | 4,497 | 48.67% | 4,730 | 51.20% | 8 | 0.09% | 4 | 0.04% | 0 | 0.00% | -233 | -2.52% | 9,239 |
| Vernon | 6,271 | 53.44% | 5,443 | 46.38% | 10 | 0.09% | 10 | 0.09% | 1 | 0.01% | 828 | 7.06% | 11,735 |
| Warren | 914 | 21.04% | 3,403 | 78.34% | 19 | 0.44% | 6 | 0.14% | 2 | 0.05% | -2,489 | -57.30% | 4,344 |
| Washington | 2,881 | 42.96% | 3,817 | 56.92% | 4 | 0.06% | 1 | 0.01% | 3 | 0.04% | -936 | -13.96% | 6,706 |
| Wayne | 2,991 | 52.12% | 2,735 | 47.66% | 2 | 0.03% | 10 | 0.17% | 1 | 0.02% | 256 | 4.46% | 5,739 |
| Webster | 3,518 | 42.12% | 4,818 | 57.69% | 10 | 0.12% | 6 | 0.07% | 0 | 0.00% | -1,300 | -15.57% | 8,352 |
| Worth | 1,702 | 48.45% | 1,807 | 51.44% | 2 | 0.06% | 2 | 0.06% | 0 | 0.00% | -105 | -2.99% | 3,513 |
| Wright | 2,727 | 34.77% | 5,096 | 64.98% | 11 | 0.14% | 8 | 0.10% | 1 | 0.01% | -2,369 | -30.21% | 7,843 |
| Totals | 958,476 | 52.26% | 871,009 | 47.49% | 2,226 | 0.12% | 1,809 | 0.10% | 209 | 0.01% | 87,467 | 4.77% | 1,833,988 |

#### Counties that flipped from Democratic to Republican

* Adair
* Atchison
* Barton
* Bates
* Cape Girardeau
* Clark
* Daviess
* Henry
* Jasper
* Johnson
* Livingston
* Madison
* McDonald
* Nodaway
* Osage
* Newton
* Pettis
* St. Charles
* St. Francois
* Ste. Genevieve
* St. Louis
* Washington
* Texas
* Worth