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United States · Election results history · 1984 Senate · Colorado
Election 1984 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.

1984 US Senate election in Colorado

William L. Armstrong (Republican) beat Nancy Dick (Democrat) in Colorado in 1984, 64.2% to 34.6%, a margin of 29.6 points and 384,494 votes.

The Republican hold continued from 1978, when William L. Armstrong also won.

Republicans led in 60 of the 63 counties as they stood then and Democrats in 3. The largest, Denver, cast 212,577 votes and went to the Republican by 0.0 points.

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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.

Senate

CandidatePartyVotesShare
William L. Armstrong won Republican 833,821 64.2%
Nancy Dick Democratic 449,327 34.6%
All other candidates 14,661 1.1%
Total1,297,809

Every county

CountyDemocratRepublicanOthersTotalMargin
Denver 104,295 49.1% 104,392 49.1% 3,890 212,577 level
Jefferson 53,903 29.9% 124,278 69.0% 1,826 180,007 R+39.1
Arapahoe 39,856 27.0% 106,179 71.9% 1,643 147,678 R+44.9
El Paso 27,370 22.7% 92,217 76.5% 965 120,552 R+53.8
Boulder 43,588 43.1% 56,288 55.6% 1,325 101,201 R+12.5
Adams 35,732 38.8% 55,492 60.3% 752 91,976 R+21.5
Larimer 23,936 31.9% 50,450 67.2% 716 75,102 R+35.3
Pueblo 24,956 46.5% 28,349 52.8% 359 53,664 R+6.3
Weld 14,335 30.7% 31,861 68.3% 465 46,661 R+37.6
Mesa 8,685 24.6% 26,356 74.6% 266 35,307 R+50.0
Douglas 3,233 20.9% 12,077 78.3% 122 15,432 R+57.3
La Plata 3,995 31.0% 8,765 68.1% 107 12,867 R+37.1
Fremont 3,614 28.3% 9,060 71.0% 82 12,756 R+42.7
Garfield 3,126 29.8% 7,298 69.5% 71 10,495 R+39.8
Montrose 2,680 26.1% 7,510 73.3% 61 10,251 R+47.1
Delta 2,679 27.3% 7,074 72.1% 58 9,811 R+44.8
Logan 2,508 29.3% 5,984 70.0% 55 8,547 R+40.7
Morgan 2,307 27.7% 5,938 71.2% 95 8,340 R+43.5
Otero 2,663 32.0% 5,465 65.7% 191 8,319 R+33.7
Las Animas 3,727 54.6% 3,020 44.2% 85 6,832 D+10.3
Eagle 2,356 35.5% 4,216 63.6% 59 6,631 R+28.1
Montezuma 1,726 26.5% 4,742 72.8% 50 6,518 R+46.3
Routt 2,240 34.8% 4,106 63.7% 96 6,442 R+29.0
Pitkin 3,003 53.9% 2,495 44.8% 70 5,568 D+9.1
Chaffee 1,714 31.4% 3,668 67.3% 70 5,452 R+35.8
Prowers 1,645 33.3% 3,172 64.3% 118 4,935 R+30.9
Summit 1,774 36.2% 3,081 62.8% 48 4,903 R+26.7
Alamosa 1,768 36.2% 3,078 62.9% 44 4,890 R+26.8
Moffat 1,243 25.8% 3,466 71.9% 111 4,820 R+46.1
Yuma 1,143 24.8% 3,446 74.8% 15 4,604 R+50.0
Teller 1,106 24.1% 3,444 75.1% 37 4,587 R+51.0
Rio Grande 1,193 26.2% 3,311 72.7% 48 4,552 R+46.5
Gunnison 1,549 34.1% 2,930 64.6% 58 4,537 R+30.4
Grand 1,084 27.5% 2,816 71.4% 45 3,945 R+43.9
Kit Carson 823 22.7% 2,789 76.8% 18 3,630 R+54.2
Elbert 841 24.3% 2,588 74.8% 33 3,462 R+50.5
Clear Creek 1,127 33.8% 2,163 65.0% 40 3,330 R+31.1
Conejos 1,548 46.5% 1,689 50.7% 92 3,329 R+4.2
Huerfano 1,522 46.4% 1,735 52.9% 24 3,281 R+6.5
Park 858 30.4% 1,907 67.5% 62 2,827 R+37.1
Washington 605 22.3% 2,093 77.1% 17 2,715 R+54.8
Lake 1,178 43.8% 1,456 54.2% 53 2,687 R+10.3
Baca 661 25.9% 1,882 73.7% 12 2,555 R+47.8
Rio Blanco 559 22.4% 1,921 77.1% 12 2,492 R+54.7
Phillips 685 28.7% 1,678 70.4% 22 2,385 R+41.6
Lincoln 568 24.8% 1,702 74.2% 23 2,293 R+49.5
Archuleta 584 27.0% 1,559 72.1% 19 2,162 R+45.1
Bent 822 38.6% 1,283 60.3% 24 2,129 R+21.7
Saguache 893 42.7% 1,165 55.7% 35 2,093 R+13.0
Costilla 1,017 61.2% 619 37.2% 26 1,662 D+23.9
Sedgwick 470 29.6% 1,111 70.0% 7 1,588 R+40.4
Crowley 500 32.5% 1,028 66.8% 11 1,539 R+34.3
Gilpin 658 43.4% 829 54.7% 29 1,516 R+11.3
San Miguel 642 43.0% 826 55.3% 25 1,493 R+12.3
Ouray 348 26.9% 943 72.8% 4 1,295 R+45.9
Cheyenne 300 24.6% 909 74.4% 12 1,221 R+49.9
Kiowa 287 25.5% 828 73.7% 9 1,124 R+48.1
Custer 277 25.3% 807 73.6% 12 1,096 R+48.4
Jackson 200 21.4% 727 77.9% 6 933 R+56.5
Dolores 233 28.3% 584 71.0% 5 822 R+42.7
San Juan 168 32.5% 335 64.8% 14 517 R+32.3
Mineral 134 29.3% 319 69.7% 5 458 R+40.4
Hinsdale 87 20.9% 322 77.4% 7 416 R+56.5

Counties as they stood in 1984; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Colorado Senate elections we hold

YearWinnerMargin
2022 Michael Bennet (D) D+14.6
2020 John W Hickenlooper (D) D+9.3
2016 Michael F. Bennet (D) D+5.7
2014 Cory Gardner (R) R+1.9
2010 Michael F. Bennet (D) D+1.6
2008 Mark Udall (D) D+10.3
2004 Ken Salazar (D) D+4.8
2002 Wayne Allard (R) R+4.9
1998 Ben Nighthorse Campbell (R) R+27.5
1996 Wayne Allard (R) R+5.7
1992 Ben Nighthorse Campbell (D) D+9.1
1990 Hank Brown (R) R+14.0
1986 Timothy E. Wirth (D) D+1.6
1984 William L. Armstrong (R) R+29.6
1980 Gary Hart (D) D+1.6
1978 William L. Armstrong (R) R+18.4
1974 Gary Hart (D) D+17.7
1972 Floyd K. Haskell (D) D+1.0
1968 Peter H. Dominick (R) R+17.1
1966 Gordon Allott (R) R+16.1
1962 Peter H. Dominick (R) R+8.0
1960 Gordon Allott (R) R+7.5
1956 John A. Carroll (D) D+0.4
1954 Gordon Allott (R) R+2.6
1950 Eugene D. Millikin (R) R+6.5
1948 Edwin C. Johnson (D) D+34.4
1944 Eugene Millikin (R) R+12.7
1942 Edwin C. Johnson (D) D+1.0
1938 Alva B. Adams (D) D+18.1
1936 Edwin C. Johnson (D) D+28.2
1932 Alva B. Adams (D) D+6.4
1930 Edward P. Costigan (D) D+13.2
1926 Charles W. Waterman (R) R+3.9
1924 Lawrence C. Phipps (R) R+6.3
1920 Samuel D. Nicholson (R) R+15.2
1918 Lawrence C. Phipps (R) R+1.6
1914 Charles S. Thomas (D) D+1.3