On November 5, 1940, Alabama's voters voted for eleven at-large electors. Four and a half electoral slates ran.
The Democratic candidates:
The Republican candidates:
The Socialist candidates:
The Prohibition candidates:
The Communist candidates:
The county returns are as follows:
| Democrats | Republicans | Prohibitionists | Communists | Socialists | |
| Autauga | 1630 | 99 | 10 | 2 | 0 |
| Baldwin | 2680 | 616 | 24 | 12 | 5 |
| Barbour | 2328 | 90 | 7 | 3 | 0 |
| Bibb | 1820 | 173 | 9 | 9 | 0 |
| Blount | 2784 | 855 | 32 | 5 | 1 |
| Bullock | 1301 | 18 | 0 | 0 | 0 |
| Butler | 2732 | 52 | 1 | 3 | 0 |
| Calhoun | 4409 | 645 | 16 | 2 | 0 |
| Chambers | 4141 | 110 | 10 | 1 | 0 |
| Cherokee | 2617 | 381 | 10 | 1 | 1 |
| Chilton | 2746 | 1995 | 5 | 5 | 0 |
| Choctaw | 2023 | 73 | 0 | 0 | 0 |
| Clarke | 3753 | 48 | 1 | 0 | 0 |
| Clay | 2153 | 854 | 6 | 10 | 0 |
| Cleburne | 1639 | 434 | 4 | 1 | 0 |
| Coffee | 2226 | 145 | 0 | 0 | 0 |
| Colbert | 3998 | 365 | 4 | 1 | 3 |
| Conecuh | 2345 | 50 | 5 | 0 | 0 |
| Coosa | 1347 | 317 | 11 | 2 | 0 |
| Covington | 4635 | 186 | 2 | 1 | 0 |
| Crenshaw | 2680 | 84 | 7 | 2 | 0 |
| Cullman | 5603 | 3057 | 11 | 11 | 4 |
| Dale | 2543 | 374 | 1 | 4 | 0 |
| Dallas | 3106 | 157 | 2 | 1 | 0 |
| DeKalb | 5432 | 2810 | 13 | 2 | 2 |
| Elmore | 4267 | 144 | 7 | 2 | 0 |
| Escambia | 2772 | 137 | 5 | 3 | 0 |
| Etowah | 7012 | 1270 | 27 | 4 | 2 |
| Fayette | 2091 | 737 | 10 | 10 | 0 |
| Franklin | 3523 | 1989 | 8 | 12 | 1 |
| Geneva | 2565 | 364 | 6 | 7 | 0 |
| Greene | 894 | 77 | 0 | 0 | 0 |
| Hale | 1691 | 32 | 0 | 0 | 0 |
| Henry | 1960 | 69 | 2 | 0 | 0 |
| Houston | 3941 | 483 | 13 | 2 | 0 |
| Jackson | 3818 | 945 | 7 | 2 | 0 |
| Jefferson | 37,110 | 6715 | 105 | 52 | 19 |
| Lamar | 2666 | 275 | 8 | 4 | 0 |
| Lauderdale | 5065 | 507 | 19 | 10 | 4 |
| Lawrence | 2277 | 480 | 2 | 10 | 0 |
| Lee | 2566 | 103 | 4 | 1 | 0 |
| Limestone | 2941 | 95 | 9 | 0 | 0 |
| Lowndes | 1132 | 12 | 1 | 0 | 0 |
| Macon | 1259 | 41 | 1 | 0 | 0 |
| Madison | 5515 | 556 | 9 | 3 | 5 |
| Marengo | 2284 | 70 | 2 | 0 | 0 |
| Marion | 2654 | 1081 | 12 | 64 | 0 |
| Marshall | 4142 | 913 | 18 | 4 | 2 |
| Mobile | 11,473 | 1881 | 89 | 14 | 14 |
| Monroe | 2953 | 40 | 12 | 3 | 0 |
| Montgomery | 11,311 | 230 | 16 | 16 | 0 |
| Morgan | 5346 | 500 | 22 | 8 | 1 |
| Perry | 1509 | 39 | 5 | 0 | 0 |
| Pickens | 1417 | 140 | 7 | 2 | 0 |
| Pike | 3049 | 121 | 1 | 7 | 0 |
| Randolph | 2407 | 670 | 8 | 4 | 0 |
| Russell | 2435 | 48 | 2 | 1 | 0 |
| Shelby | 2777 | 938 | 5 | 2 | 0 |
| St. Clair | 2462 | 1540 | 9 | 6 | 7 |
| Sumter | 1404 | 46 | 1 | 0 | 0 |
| Talladega | 3965 | 534 | 9 | 4 | 0 |
| Tallapoosa | 4325 | 139 | 7 | 3 | 1 |
| Tuscaloosa | 6284 | 426 | 14 | 5 | 3 |
| Walker | 5940 | 2007 | 17 | 4 | 3 |
| Washington | 1892 | 80 | 5 | 1 | 0 |
| Wilcox | 1534 | 20 | 0 | 0 | 0 |
| Winston | 1384 | 1685 | 6 | 4 | 0 |
| Total | 250,683 (85.27%) | 42,167 (14.34%) | 701 (.24%) | 352 (.12%) | 78 (.03%) |
The Democratic slate was duly elected, and voted for Roosevelt and Wallace on December 16.