Elections / 1980 · US Senate
The 1980 Senate map
33 Senate contests were decided in 1980: Democrats won 13, Republicans 20. Every contest below links to its page with the state's full Senate history.
1980 U.S. Senate elections
Dem. caucus 47 −1251for control53 Republicans +12
Republicans took control. Independents (Sanders, King) are counted in the caucus they organize with and shown in gold on the map.
VTNHCTMD
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. 1980 | Democratic | Republican | Total |
|---|---|---|---|---|---|---|
| Alaska | R | R+27.9 | 72,007 | 84,159 | 156,166 | |
| Alabama | R | R+1.3 | 613,148 | 650,362 | 1,296,757 | |
| Arkansas | D | R+0.6 | 477,905 | 330,576 | 808,481 | |
| Arizona | R | R+32.4 | 422,972 | 432,371 | 874,225 | |
| California | D | R+16.8 | 4,704,098 | 3,091,671 | 8,324,012 | |
| Colorado | D | R+24.0 | 590,501 | 571,295 | 1,173,142 | |
| Connecticut | D | R+9.6 | 763,969 | 581,884 | 1,355,961 | |
| Florida | R | R+17.0 | 1,705,409 | 1,822,460 | 3,527,869 | |
| Georgia | R | D+14.8 | 776,143 | 803,686 | 1,579,829 | |
| Hawaii | D | D+1.9 | 224,485 | 53,068 | 288,006 | |
| Iowa | R | R+12.7 | 581,545 | 683,014 | 1,276,986 | |
| Idaho | R | R+41.3 | 214,439 | 218,701 | 439,647 | |
| Illinois | D | R+7.9 | 2,565,302 | 1,946,296 | 4,579,933 | |
| Indiana | R | R+18.4 | 1,015,962 | 1,182,414 | 2,198,376 | |
| Kansas | R | R+24.6 | 340,271 | 598,686 | 938,957 | |
| Kentucky | D | R+1.5 | 720,891 | 386,029 | 1,106,920 | |
| Louisiana | D | R+5.5 | 810,692 | 23,947 | 841,013 | |
| Maryland | R | D+3.0 | 435,118 | 850,970 | 1,286,088 | |
| Missouri | D | R+6.8 | 1,074,859 | 985,399 | 2,066,965 | |
| North Carolina | R | R+2.1 | 887,653 | 898,064 | 1,797,665 | |
| New Hampshire | R | R+29.4 | 179,455 | 195,559 | 375,014 | |
| Nevada | R | R+35.6 | 92,129 | 144,224 | 243,273 | |
| New York | D | R+2.7 | 2,618,661 | 2,272,082 | 6,014,841 | |
| Ohio | D | R+10.6 | 2,770,786 | 1,137,695 | 3,984,893 | |
| Oklahoma | R | R+25.5 | 478,283 | 587,252 | 1,098,294 | |
| Oregon | R | R+9.7 | 501,963 | 594,290 | 1,139,939 | |
| Pennsylvania | R | R+7.1 | 2,122,391 | 2,230,404 | 4,418,042 | |
| South Carolina | D | R+1.5 | 612,554 | 257,946 | 870,500 | |
| South Dakota | R | R+28.8 | 129,018 | 190,594 | 327,478 | |
| Utah | R | R+52.2 | 151,454 | 437,675 | 594,298 | |
| Vermont | D | R+6.0 | 104,176 | 101,421 | 209,002 | |
| Washington | R | R+12.3 | 792,052 | 936,317 | 1,728,369 | |
| Wisconsin | R | R+4.7 | 1,065,487 | 1,106,311 | 2,204,135 |
Source. MIT Election Data + Science Lab — 1980 US Senate returns, party-classified by literal ballot party · statewide certified totals. Real returns — nothing estimated.