The electoral history of Bernie Sanders includes the 2016 and 2020 Democratic Party presidential primaries and caucuses, and elections as United States Senator from Vermont, United States Representative from Vermont's at-large district (1991–2007), and Mayor of Burlington (1981–1989). Sanders contested 23 elections (not counting individual presidential state primaries), of which he won 17. He has won every election he has contested since his first election to the House of Representatives in 1990, except his presidential runs.
| Raw Votes | Pledged Delegates | |||||||||||||
| States | Date | PD | Clinton | Sanders | Other | Totals | Caucus | TEV | TO% | MV | MV% | Clinton | Sanders | |
| Iowa | 02/01/16 | 44 | 700 | 697 | 8 | 1,405 | 154,000 | 1,405 | 3 | 0.21% | 23 | 21 | ||
| New Hampshire | 02/09/16 | 25 | 95,355 | 152,193 | 5,514 | 253,062 | 641,848 | 39.43% | (56,838) | -22.46% | 9 | 15 | ||
| Nevada | 02/20/16 | 35 | 6,440 | 5,785 | 8 | 12,233 | 70,000 | 596,720 | 2.05% | 655 | 5.35% | 18 | 17 | |
| S Carolina | 02/27/16 | 53 | 272,379 | 94,498 | 4,027 | 370,904 | 3,663,583 | 10.12% | 177,881 | 47.96% | 38 | 13 | ||
| Alabama | 03/01/16 | 53 | 309,928 | 76,399 | 11,830 | 398,157 | 3,602,334 | 11.05% | 233,529 | 58.65% | 43 | 10 | ||
| Am Samoa | 03/01/16 | 6 | 162 | 61 | 14 | 237 | 237 | 101 | 42.62% | 4 | 2 | |||
| Arkansas | 03/01/16 | 32 | 146,057 | 66,236 | 8,727 | 221,020 | 2,137,115 | 10.34% | 79,821 | 36.11% | 22 | 10 | ||
| Colorado | 03/01/16 | 66 | 49,789 | 72,846 | 873 | 123,508 | 123,508 | 934,818 | 13.21% | (23,057) | -18.67% | 27 | 39 | |
| Georgia | 03/01/16 | 102 | 545,674 | 215,797 | 3,895 | 765,366 | 6,900,387 | 11.09% | 329,877 | 43.10% | 73 | 29 | ||
| Massachusetts | 03/01/16 | 91 | 606,822 | 589,803 | 23,671 | 1,220,296 | 3,768,095 | 32.38% | 17,019 | 1.39% | 46 | 45 | ||
| Minnesota | 03/01/16 | 77 | 78,381 | 126,229 | 0 | 204,610 | 204,610 | 3,972,330 | 5.15% | (47,848) | -23.38% | 30 | 47 | |
| Oklahoma | 03/01/16 | 38 | 139,443 | 174,228 | 22,172 | 335,843 | 1,978,807 | 16.97% | (34,785) | -10.36% | 17 | 21 | ||
| Tennessee | 03/01/16 | 67 | 245,930 | 120,800 | 5,492 | 372,222 | 4,874,592 | 7.64% | 125,130 | 33.62% | 45 | 22 | ||
| Texas | 03/01/16 | 222 | 936,004 | 476,547 | 23,344 | 1,435,895 | 17,299,279 | 8.30% | 459,457 | 32.00% | 147 | 75 | ||
| Vermont | 03/01/16 | 16 | 18,338 | 115,900 | 1,018 | 135,256 | 495,563 | 27.29% | (97,562) | -72.13% | 0 | 16 | ||
| Virginia | 03/01/16 | 95 | 504,741 | 276,370 | 3,930 | 785,041 | 6,022,089 | 13.04% | 228,371 | 29.09% | 61 | 34 | ||
| Kansas | 03/05/16 | 33 | 12,593 | 26,637 | 0 | 39,230 | 450,265 | 8.71% | (14,044) | -35.80% | 11 | 22 | ||
| Louisiana | 03/05/16 | 51 | 221,733 | 72,276 | 17,767 | 311,776 | 1,331,510 | 23.42% | 149,457 | 47.94% | 40 | 13 | ||
| Nebraska | 03/05/16 | 25 | 14,340 | 19,120 | 0 | 33,460 | 33,460 | (4,780) | -14.29% | 11 | 14 | |||
| Maine | 03/06/16 | 25 | 2,226 | 1,231 | 12 | 3,469 | 3,469 | 995 | 28.68% | 9 | 16 | |||
| Dems Abroad | 03/08/16 | 13 | 10,689 | 23,779 | 27 | 34,495 | N/A | (13,090) | -37.95% | 2 | 4 | |||
| Michigan | 03/08/16 | 130 | 581,775 | 598,943 | 24,834 | 1,205,552 | 7,419,694 | 16.25% | (17,168) | -1.42% | 64 | 66 | ||
| Mississippi | 03/08/16 | 36 | 187,334 | 37,748 | 2,082 | 227,164 | 2,181,159 | 10.41% | 149,586 | 65.85% | 30 | 6 | ||
| N Marianas | 03/12/16 | 6 | 102 | 65 | 22 | 189 | 189 | 37 | 19.58% | 4 | 2 | |||
| Florida | 03/15/16 | 214 | 1,101,414 | 568,839 | 38,930 | 1,709,183 | 1,709,183 | 532,575 | 31.16% | 138 | 71 | |||
| Illinois | 03/15/16 | 156 | 1,039,555 | 999,494 | 16,998 | 2,056,047 | 2,056,047 | 40,061 | 1.95% | 81 | 78 | |||
| Missouri | 03/15/16 | 71 | 312,285 | 310,711 | 6,429 | 629,425 | 4,518,767 | 13.93% | 1,574 | 0.25% | 36 | 35 | ||
| N Carolina | 03/15/16 | 107 | 622,915 | 467,018 | 52,983 | 1,142,916 | 4,549,089 | 25.12% | 155,897 | 13.64% | 61 | 46 | ||
| Ohio | 03/15/16 | 143 | 696,681 | 535,395 | 9,402 | 1,241,478 | 1,241,478 | 161,286 | 12.99% | 83 | 64 | |||
| Arizona | 03/22/16 | 75 | 262,459 | 192,962 | 10,814 | 466,235 | 952,527 | 48.95% | 69,497 | 14.91% | 41 | 30 | ||
| Idaho | 03/22/16 | 23 | 5,065 | 18,640 | 179 | 23,884 | 23,884 | (13,575) | -56.84% | 5 | 18 | |||
| Utah | 03/22/16 | 33 | 16,166 | 62,992 | 368 | 79,526 | 79,526 | (46,826) | -58.88% | 6 | 23 | |||
| Alaska | 03/26/16 | 16 | 2,146 | 8,447 | 17 | 10,610 | 10,610 | (6,301) | -59.39% | 3 | 13 | |||
| Hawaii | 03/26/16 | 25 | 10,125 | 25,530 | 61 | 35,716 | 35,716 | (15,405) | -43.13% | 8 | 17 | |||
| Washington | 03/26/16 | 101 | 7,140 | 19,159 | 46 | 26,345 | 26,345 | (12,019) | -45.62% | 26 | 71 | |||
| Wisconsin | 04/05/16 | 89 | 433,739 | 570,192 | 3,669 | 1,007,600 | 4,282,271 | 23.53% | (136,453) | -13.54% | 37 | 49 | ||
| Wyoming | 04/09/16 | 17 | 124 | 156 | 0 | 280 | 280 | (32) | -11.43% | 6 | 8 | |||
| New York | 04/19/16 | 247 | 1,133,980 | 820,056 | 16,864 | 1,970,900 | 5,792,497 | 34.03% | 313,924 | 15.93% | 146 | 105 | ||
| Connecticut | 04/26/16 | 55 | 170,045 | 152,379 | 5,831 | 328,255 | 762,085 | 43.07% | 17,666 | 5.38% | 29 | 26 | ||
| Delaware | 04/26/16 | 21 | 55,954 | 36,662 | 1,024 | 93,640 | 312,260 | 29.99% | 19,292 | 20.60% | 13 | 8 | ||
| Maryland | 04/26/16 | 95 | 573,242 | 309,990 | 33,531 | 916,763 | 2,102,808 | 43.60% | 263,252 | 28.72% | 62 | 33 | ||
| Pennsylvania | 04/26/16 | 189 | 935,107 | 731,881 | 14,439 | 1,681,427 | 4,062,187 | 41.39% | 203,226 | 12.09% | 108 | 84 | ||
| Rhode Island | 04/26/16 | 24 | 52,749 | 66,993 | 2,716 | 122,458 | 681,187 | 17.98% | (14,244) | -11.63% | 11 | 13 | ||
| Indiana | 05/03/16 | 83 | 303,705 | 335,074 | 0 | 638,779 | 4,855,984 | 13.15% | (31,369) | -4.91% | 39 | 44 | ||
| Guam | 05/07/16 | 7 | 777 | 528 | 0 | 1,305 | 1,305 | 249 | 19.08% | 5 | 2 | |||
| West Virginia | 05/10/16 | 29 | 86,914 | 124,700 | 30,925 | 242,539 | 833,929 | 29.08% | (37,786) | -15.58% | 12 | 17 | ||
| Kentucky | 05/17/16 | 55 | 212,534 | 210,623 | 31,411 | 454,568 | 1,680,155 | 27.06% | 1,911 | 0.42% | 28 | 27 | ||
| Oregon | 05/17/16 | 61 | 269,846 | 360,829 | 10,920 | 641,595 | 955,979 | 67.11% | (90,983) | -14.18% | 26 | 35 | ||
| Virgin Is | 06/04/16 | 7 | 1,326 | 196 | 0 | 1,522 | 1,522 | 1,130 | 74.24% | 7 | 0 | |||
| Puerto Rico | 06/05/16 | 60 | 52,658 | 33,368 | 300 | 86,326 | 2,225,000 | 3.88% | 19,290 | 22.35% | 37 | 23 | ||
| California | 06/07/16 | 475 | 2,745,302 | 2,381,722 | 46,314 | 5,173,338 | 12,206,778 | 42.38% | 363,580 | 7.03% | 254 | 221 | ||
| Montana | 06/07/16 | 21 | 55,805 | 65,156 | 5,415 | 126,376 | 798,787 | 15.82% | (9,351) | -7.40% | 10 | 11 | ||
| New Jersey | 06/07/16 | 126 | 566,247 | 328,058 | 0 | 894,305 | 1,793,927 | 49.85% | 238,189 | 26.63% | 81 | 47 | ||
| New Mexico | 06/07/16 | 34 | 111,334 | 104,741 | 0 | 216,075 | 578,967 | 37.32% | 6,593 | 3.05% | 18 | 16 | ||
| N Dakota | 06/07/16 | 18 | 101 | 253 | 40 | 394 | 394 | (152) | -38.58% | 5 | 13 | |||
| S Dakota | 06/07/16 | 20 | 27,047 | 25,959 | 0 | 53,006 | 168,196 | 31.51% | 1,088 | 2.05% | 10 | 10 | ||
| Dist Columbia | 06/14/16 | 20 | 76,704 | 20,361 | 1,333 | 98,398 | 461,575 | 21.32% | 56,343 | 57.26% | 16 | 4 | ||
| 4,058 | 16,928,126 | 13,233,252 | 500,226 | 30,661,604 | 552,118 | 128,070,193 | 23.94% | 3,694,874 | 12.05% | 2,220 | 1,822 | |||
States/Territories won by Senator Sanders (23): Alaska, Colorado, Democrats Abroad, Hawaii, Idaho, Indiana, Kansas, Maine, Michigan, Minnesota, Montana, Nebraska, New Hampshire, North Dakota, Oklahoma, Oregon, Rhode Island, Utah, Vermont, Washington, Wisconsin, West Virginia, and Wyoming
States with Margins of less than 5% (10): Connecticut, Illinois, Indiana, Iowa, Kentucky, Massachusetts, Missouri, Michigan, New Mexico, and South Dakota. States underlined were won by Secretary Clinton
States/Territories won by Senator Sanders (10): California, Nevada, Utah, Colorado, North Dakota, Northern Mariana Islands, Iowa, Democrats Abroad, Vermont, New Hampshire