Elections / 2020 · US Senate
The 2020 Senate map
34 Senate contests were decided in 2020: Democrats won 13, Republicans 21. Every contest below links to its page with the state's full Senate history.
2020 U.S. Senate elections
Dem. caucus 50 +351for control50 Republicans −3
1 seat flipped (CO) — Democrats took control. Independents (Sanders, King) are counted in the caucus they organize with and shown in gold on the map.
NHMARINJDE
States with a seat up this cycle, filled by margin · cyan outlines a seat that flipped party · gold an independent · hover for the detail
Every contest
Statewide totals; candidate-level detail joins when the raw store is re-fetched with names.
| State | Won | Margin | Pres. 2020 | Democratic | Republican | Total |
|---|---|---|---|---|---|---|
| Alaska | R | R+10.1 | 146,068 | 191,112 | 353,986 | |
| Alabama | R | R+25.5 | 920,478 | 1,392,076 | 2,312,554 | |
| Arkansas | R | R+27.6 | 0 | 793,871 | 1,193,261 | |
| Arizona | D | D+0.3 | 1,716,634 | 1,638,060 | 3,355,307 | |
| Colorado | D | D+13.5 | 1,731,114 | 1,429,492 | 3,235,790 | |
| Delaware | D | D+19.0 | 291,804 | 186,054 | 490,935 | |
| Georgia | R | D+0.3 | 2,374,519 | 2,462,617 | 4,952,175 | |
| Iowa | R | R+8.2 | 754,859 | 864,997 | 1,670,617 | |
| Idaho | R | R+30.8 | 285,864 | 538,446 | 859,827 | |
| Illinois | D | D+16.9 | 3,278,930 | 2,319,870 | 5,968,901 | |
| Kansas | R | R+14.7 | 571,530 | 727,962 | 1,367,755 | |
| Kentucky | R | R+25.9 | 816,257 | 1,233,315 | 2,135,057 | |
| Louisiana | R | R+18.6 | 730,989 | 1,267,291 | 2,071,543 | |
| Massachusetts | D | D+33.2 | 2,357,809 | 1,177,765 | 3,556,708 | |
| Maine | R | D+8.6 | 347,223 | 417,645 | 818,955 | |
| Michigan | D | D+2.8 | 2,734,568 | 2,642,233 | 5,479,720 | |
| Minnesota | D | D+7.1 | 1,566,522 | 1,398,145 | 3,211,995 | |
| Mississippi | R | R+16.5 | 578,691 | 709,511 | 1,311,354 | |
| Montana | R | R+16.4 | 272,463 | 333,174 | 605,637 | |
| North Carolina | R | R+1.3 | 2,569,965 | 2,665,598 | 5,474,952 | |
| Nebraska | R | R+19.1 | 227,191 | 583,507 | 924,224 | |
| New Hampshire | D | D+7.4 | 450,778 | 326,229 | 795,428 | |
| New Jersey | D | D+16.0 | 2,541,178 | 1,817,052 | 4,440,440 | |
| New Mexico | D | D+10.8 | 474,483 | 418,483 | 917,237 | |
| Oklahoma | R | R+33.1 | 509,763 | 979,140 | 1,556,361 | |
| Oregon | D | D+16.1 | 1,321,047 | 912,814 | 2,318,847 | |
| Rhode Island | D | D+20.6 | 328,574 | 164,855 | 493,429 | |
| South Carolina | R | R+11.7 | 1,110,828 | 1,369,137 | 2,512,810 | |
| South Dakota | R | R+26.2 | 143,987 | 276,232 | 420,219 | |
| Tennessee | R | R+23.2 | 1,040,691 | 1,840,926 | 2,959,761 | |
| Texas | R | R+5.6 | 4,888,764 | 5,962,983 | 11,144,040 | |
| Virginia | D | D+10.1 | 2,466,500 | 1,934,199 | 4,400,699 | |
| West Virginia | R | R+38.9 | 210,309 | 547,454 | 778,918 | |
| Wyoming | R | R+43.4 | 72,766 | 198,100 | 270,866 |
Source. MIT Election Data + Science Lab — 2020 US Senate returns, party-classified by literal ballot party · statewide certified totals. Real returns — nothing estimated.