Election 2020 Results
Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.
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2020 Senate election results by state and county
Democrats gained Arizona and Colorado in November, then won both Georgia seats in January runoffs, producing a 50-50 Senate with Vice President Kamala Harris breaking ties.
33 Senate races were held in 2020, plus 2 special elections. Democrats won 13 and Republicans 20.
The closest were Georgia (D+1.2), Michigan (D+1.7) and North Carolina (R+1.8). 2 seats changed party: Colorado to the Democrats and Georgia to the Democrats.
Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.
About the 2020 Senate elections
Joe Biden beat Donald Trump in an election held during the Covid-19 pandemic, with record turnout and widespread mail voting. Democrats expected to win the Senate easily, but Republicans did better than polls suggested. Democrats gained Arizona, where Mark Kelly beat Martha McSally in a special election, and Colorado, where John Hickenlooper beat Cory Gardner. Republicans took back Alabama, where Tommy Tuberville beat Doug Jones. In Maine, Susan Collins won by 8.6 points after trailing in most polls. Thom Tillis held North Carolina by 1.8 points, and Joni Ernst kept Iowa. Gary Peters held Michigan for the Democrats by 1.6 points. Control came down to Georgia, where neither race produced a majority winner in November. David Perdue led Jon Ossoff, and Kelly Loeffler and Raphael Warnock led a crowded special election. In the runoffs on January 5, 2021, Ossoff and Warnock both won. Warnock became the first Black senator from Georgia and Ossoff the first Jewish one. The runoffs came one day before the attack on the Capitol, and the 50-50 Senate gave Democrats control through Harris's tie-breaking vote.
Every race
| State | Democrat | Votes | Republican | Votes | Others | Margin |
|---|---|---|---|---|---|---|
| Alabama | Doug Jones | 920,478 (39.7%) | Tommy Tuberville | 1,392,076 (60.1%) | 3,891 | R+20.4 |
| Alaska | Al Gross | 146,068 (41.3%) | Dan Sullivan | 191,112 (54.0%) | 16,806 | R+12.7 |
| Arizona (special) | Mark Kelly | 1,716,467 (51.2%) | Martha McSally | 1,637,661 (48.8%) | D+2.4 | |
| Arkansas | none | Tom Cotton | 793,871 (66.5%) | Ricky Dale Harrington Jr. (Libertarian) 399,390 (33.5%) |
R+66.5 | |
| Colorado flip | John W Hickenlooper | 1,731,114 (53.5%) | Cory Gardner | 1,429,492 (44.2%) | 75,184 | D+9.3 |
| Delaware | Christopher A Coons | 291,804 (59.4%) | Lauren Witzke | 186,054 (37.9%) | 13,077 | D+21.5 |
| Georgia flip | Jon Ossoff | 2,269,923 (50.6%) | David Perdue | 2,214,979 (49.4%) | D+1.2 | |
| Georgia: Decided in the January 2021 runoff. | ||||||
| Georgia (special) flip | Raphael Warnock | 2,289,113 (51.0%) | Kelly Loeffler | 2,195,841 (49.0%) | D+2.1 | |
| Georgia: Decided in the January 2021 runoff. | ||||||
| Idaho | Paulette Jordan | 285,864 (33.2%) | Jim Risch | 538,446 (62.6%) | 35,517 | R+29.4 |
| Illinois | Richard J Durbin | 3,278,930 (54.7%) | Mark C Curran Jr | 2,319,870 (38.7%) | 391,594 | D+16.0 |
| Iowa | Theresa Greenfield | 754,859 (45.2%) | Joni Ernst | 864,997 (51.7%) | 51,972 | R+6.6 |
| Kansas | Barbara Bollier | 571,530 (41.8%) | Roger Marshall | 727,962 (53.2%) | 68,719 | R+11.4 |
| Kentucky | Amy McGrath | 816,042 (38.2%) | Mitch McConnell | 1,233,055 (57.8%) | 85,349 | R+19.5 |
| Louisiana | Adrian Perkins | 394,049 (19.0%) | Bill Cassidy | 1,228,908 (59.3%) | Derrick Edwards (Democratic) 229,814 (11.1%) |
R+40.3 |
| Maine | Sara I Gideon | 347,223 (42.4%) | Susan Margaret Collins | 417,645 (51.0%) | 54,315 | R+8.6 |
| Massachusetts | Ed Markey | 2,357,809 (66.2%) | Kevin O'Connor | 1,177,765 (33.0%) | 28,562 | D+33.1 |
| Michigan | Gary Peters | 2,732,041 (49.9%) | John James | 2,641,612 (48.2%) | 102,843 | D+1.7 |
| Minnesota | Tina Smith | 1,566,522 (48.7%) | Jason Lewis | 1,398,145 (43.5%) | Kevin O'Connor (Legal Marijuana Now) 190,154 (5.9%) |
D+5.2 |
| Mississippi | Mike Espy | 578,691 (44.1%) | Cindy Hyde-Smith | 709,511 (54.1%) | 23,152 | R+10.0 |
| Montana | Steve Bullock | 272,463 (45.0%) | Steve Daines | 333,174 (55.0%) | R+10.0 | |
| Nebraska | Chris Janicek | 227,191 (24.4%) | Ben Sasse | 583,507 (62.7%) | Preston Love Jr. (Democratic) 58,411 (6.3%) |
R+38.3 |
| New Hampshire | Jeanne Shaheen | 450,778 (56.6%) | Corky Messner | 326,229 (41.0%) | 18,907 | D+15.7 |
| New Jersey | Cory Booker | 2,541,239 (57.2%) | Rikin Mehta | 1,817,091 (40.9%) | 82,210 | D+16.3 |
| New Mexico | Ben R Lujan | 474,425 (51.8%) | Mark V Ronchetti | 418,458 (45.7%) | 22,949 | D+6.1 |
| North Carolina | Cal Cunningham | 2,569,965 (46.9%) | Thom Tillis | 2,665,598 (48.7%) | 239,389 | R+1.8 |
| Oklahoma | Abby Broyles | 509,763 (32.8%) | Jim Inhofe | 979,140 (62.9%) | 67,458 | R+30.2 |
| Oregon | Jeff Merkley | 1,321,047 (56.9%) | Jo Perkins | 912,814 (39.3%) | 87,388 | D+17.6 |
| Rhode Island | John F Reed | 327,427 (66.4%) | Allen R Waters | 164,774 (33.4%) | 833 | D+33.0 |
| South Carolina | Jaime Harrison | 1,110,828 (44.2%) | Lindsey Graham | 1,369,137 (54.4%) | 35,139 | R+10.3 |
| South Dakota | Dan Ahlers | 143,987 (34.3%) | Mike Rounds | 276,232 (65.7%) | R+31.5 | |
| Tennessee | Marquita Bradshaw | 1,040,691 (35.2%) | Bill Hagerty | 1,840,926 (62.2%) | 78,144 | R+27.0 |
| Texas | MJ Hegar | 4,889,384 (43.9%) | John Cornyn | 5,962,983 (53.5%) | 292,293 | R+9.6 |
| Virginia | Mark Robert Warner | 2,466,500 (56.0%) | Daniel Mac Arthur Gade | 1,934,199 (43.9%) | 5,415 | D+12.1 |
| West Virginia | Paula Jean Swearengin | 210,309 (27.0%) | Shelley Moore Capito | 547,454 (70.3%) | 21,155 | R+43.3 |
| Wyoming | Merav Ben David | 72,766 (26.8%) | Cynthia M Lummis | 198,100 (72.8%) | 1,071 | R+46.1 |
Margin: the Democrat's share of all votes minus the Republican's. Margins are Democrat minus Republican, of all votes. Certified results, from the states' own archives, the MIT Election Data and Science Lab, Heideman (2026) and Algara & Amlani (2021). How these results were checked.