Colorado — 1984 presidential election
Recent presidential results
Akashicstate1984 presidential electionColorado · PresidentReaganR+28.3
How it voted
Share of the 1984 vote
| Ronald Reagan ✓Republican | 63.4% | 821,817 |
|---|---|---|
| Walter MondaleDemocratic | 35.1% | 454,975 |
| OtherAll other candidates | 1.4% | 18,566 |
1984presidential margin
D+60R+60
63 counties, each filled by 1984 D-vs-R margin. Hover any county for its result.
Colorado cast 8 electoral votes this cycle.
County-level results (63 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, CO | Republican | R+21.6 |
| Alamosa County, CO | Republican | R+26.2 |
| Arapahoe County, CO | Republican | R+45.2 |
| Archuleta County, CO | Republican | R+45.0 |
| Baca County, CO | Republican | R+52.7 |
| Bent County, CO | Republican | R+20.7 |
| Boulder County, CO | Republican | R+11.7 |
| Chaffee County, CO | Republican | R+34.3 |
| Cheyenne County, CO | Republican | R+48.0 |
| Clear Creek County, CO | Republican | R+32.3 |
| Conejos County, CO | Republican | R+3.6 |
| Costilla County, CO | Democratic | D+23.1 |
| Crowley County, CO | Republican | R+31.2 |
| Custer County, CO | Republican | R+54.1 |
| Delta County, CO | Republican | R+39.9 |
| Denver County, CO | Democratic | D+2.3 |
| Dolores County, CO | Republican | R+58.1 |
| Douglas County, CO | Republican | R+59.8 |
| Eagle County, CO | Republican | R+37.2 |
| El Paso County, CO | Republican | R+51.1 |
| Elbert County, CO | Republican | R+52.1 |
| Fremont County, CO | Republican | R+35.5 |
| Garfield County, CO | Republican | R+39.2 |
| Gilpin County, CO | Republican | R+16.7 |
| Grand County, CO | Republican | R+46.9 |
| Gunnison County, CO | Republican | R+36.4 |
| Hinsdale County, CO | Republican | R+51.2 |
| Huerfano County, CO | Democratic | D+0.7 |
| Jackson County, CO | Republican | R+57.5 |
| Jefferson County, CO | Republican | R+39.2 |
| Kiowa County, CO | Republican | R+51.8 |
| Kit Carson County, CO | Republican | R+55.4 |
| La Plata County, CO | Republican | R+36.2 |
| Lake County, CO | Republican | R+1.5 |
| Larimer County, CO | Republican | R+34.7 |
| Las Animas County, CO | Democratic | D+10.1 |
| Lincoln County, CO | Republican | R+47.1 |
| Logan County, CO | Republican | R+45.8 |
| Mesa County, CO | Republican | R+40.5 |
| Mineral County, CO | Republican | R+47.1 |
| Moffat County, CO | Republican | R+48.2 |
| Montezuma County, CO | Republican | R+47.5 |
| Montrose County, CO | Republican | R+42.2 |
| Morgan County, CO | Republican | R+44.0 |
| Otero County, CO | Republican | R+27.5 |
| Ouray County, CO | Republican | R+42.5 |
| Park County, CO | Republican | R+43.4 |
| Phillips County, CO | Republican | R+43.9 |
| Pitkin County, CO | Republican | R+14.9 |
| Prowers County, CO | Republican | R+39.9 |
| Pueblo County, CO | Democratic | D+4.8 |
| Rio Blanco County, CO | Republican | R+62.5 |
| Rio Grande County, CO | Republican | R+47.3 |
| Routt County, CO | Republican | R+34.1 |
| Saguache County, CO | Republican | R+16.0 |
| San Juan County, CO | Republican | R+26.4 |
| San Miguel County, CO | Republican | R+11.8 |
| Sedgwick County, CO | Republican | R+45.3 |
| Summit County, CO | Republican | R+33.9 |
| Teller County, CO | Republican | R+53.0 |
| Washington County, CO | Republican | R+56.3 |
| Weld County, CO | Republican | R+38.2 |
| Yuma County, CO | Republican | R+49.8 |
Colorado results by county
63 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Adams County | Ronald Reagan+19,807 | 55,09260.2% | 35,28538.6% | 1,1341.2% | 91,511 |
| Alamosa County | Ronald Reagan+1,233 | 2,95362.7% | 1,72036.5% | 380.8% | 4,711 |
| Arapahoe County | Ronald Reagan+67,665 | 107,55671.9% | 39,89126.7% | 2,1071.4% | 149,554 |
| Archuleta County | Ronald Reagan+973 | 1,55772.0% | 58427.0% | 221.0% | 2,163 |
| Baca County | Ronald Reagan+1,323 | 1,90375.8% | 58023.1% | 261.0% | 2,509 |
| Bent County | Ronald Reagan+455 | 1,31459.8% | 85939.1% | 261.2% | 2,199 |
| Boulder County | Ronald Reagan+11,340 | 53,53555.1% | 42,19543.4% | 1,4931.5% | 97,223 |
| Chaffee County | Ronald Reagan+1,901 | 3,68066.3% | 1,77932.1% | 911.6% | 5,550 |
| Cheyenne County | Ronald Reagan+585 | 89273.2% | 30725.2% | 191.6% | 1,218 |
| Clear Creek County | Ronald Reagan+1,062 | 2,15165.3% | 1,08933.1% | 521.6% | 3,292 |
| Conejos County | Ronald Reagan+116 | 1,66951.4% | 1,55347.8% | 250.8% | 3,247 |
| Costilla County | Walter Mondale+376 | 62138.1% | 99761.1% | 130.8% | 1,631 |
| Crowley County | Ronald Reagan+476 | 99365.0% | 51733.9% | 171.1% | 1,527 |
| Custer County | Ronald Reagan+591 | 83276.1% | 24122.0% | 201.8% | 1,093 |
| Delta County | Ronald Reagan+3,843 | 6,67869.3% | 2,83529.4% | 1261.3% | 9,639 |
| Denver County | Walter Mondale+5,104 | 105,09647.8% | 110,20050.2% | 4,4422.0% | 219,738 |
| Dolores County | Ronald Reagan+494 | 66778.5% | 17320.4% | 101.2% | 850 |
| Douglas County | Ronald Reagan+9,238 | 12,24979.3% | 3,01119.5% | 1811.2% | 15,441 |
| Eagle County | Ronald Reagan+2,468 | 4,50067.8% | 2,03230.6% | 1011.5% | 6,633 |
| El Paso County | Ronald Reagan+60,192 | 88,37775.0% | 28,18523.9% | 1,2101.0% | 117,772 |
| Elbert County | Ronald Reagan+1,803 | 2,60575.3% | 80223.2% | 541.6% | 3,461 |
| Fremont County | Ronald Reagan+4,355 | 8,25067.3% | 3,89531.8% | 1110.9% | 12,256 |
| Garfield County | Ronald Reagan+4,035 | 7,11169.1% | 3,07629.9% | 981.0% | 10,285 |
| Gilpin County | Ronald Reagan+262 | 89657.0% | 63440.4% | 412.6% | 1,571 |
| Grand County | Ronald Reagan+1,848 | 2,86572.7% | 1,01725.8% | 581.5% | 3,940 |
| Gunnison County | Ronald Reagan+1,676 | 3,10067.3% | 1,42430.9% | 811.8% | 4,605 |
| Hinsdale County | Ronald Reagan+212 | 31074.9% | 9823.7% | 61.4% | 414 |
| Huerfano County | Walter Mondale+21 | 1,58149.0% | 1,60249.7% | 411.3% | 3,224 |
| Jackson County | Ronald Reagan+531 | 72278.2% | 19120.7% | 101.1% | 923 |
| Jefferson County | Ronald Reagan+70,796 | 124,49668.9% | 53,70029.7% | 2,4321.3% | 180,628 |
| Kiowa County | Ronald Reagan+585 | 85075.2% | 26523.5% | 151.3% | 1,130 |
| Kit Carson County | Ronald Reagan+1,984 | 2,76277.1% | 77821.7% | 441.2% | 3,584 |
| La Plata County | Ronald Reagan+4,679 | 8,71967.5% | 4,04031.3% | 1591.2% | 12,918 |
| Lake County | Ronald Reagan+40 | 1,36449.7% | 1,32448.2% | 592.1% | 2,747 |
| Larimer County | Ronald Reagan+25,987 | 49,88366.6% | 23,89631.9% | 1,0691.4% | 74,848 |
| Las Animas County | Walter Mondale+678 | 2,99244.4% | 3,67054.4% | 801.2% | 6,742 |
| Lincoln County | Ronald Reagan+1,074 | 1,66172.9% | 58725.8% | 301.3% | 2,278 |
| Logan County | Ronald Reagan+3,728 | 5,88372.3% | 2,15526.5% | 951.2% | 8,133 |
| Mesa County | Ronald Reagan+13,798 | 23,73669.7% | 9,93829.2% | 4001.2% | 34,074 |
| Mineral County | Ronald Reagan+216 | 33372.5% | 11725.5% | 92.0% | 459 |
| Moffat County | Ronald Reagan+2,402 | 3,63072.9% | 1,22824.7% | 1232.5% | 4,981 |
| Montezuma County | Ronald Reagan+3,088 | 4,75373.1% | 1,66525.6% | 881.4% | 6,506 |
| Montrose County | Ronald Reagan+4,298 | 7,16270.4% | 2,86428.2% | 1471.4% | 10,173 |
| Morgan County | Ronald Reagan+3,766 | 6,09771.3% | 2,33127.2% | 1281.5% | 8,556 |
| Otero County | Ronald Reagan+2,368 | 5,37362.4% | 3,00534.9% | 2372.8% | 8,615 |
| Ouray County | Ronald Reagan+548 | 91470.9% | 36628.4% | 100.8% | 1,290 |
| Park County | Ronald Reagan+1,259 | 2,04170.3% | 78226.9% | 792.7% | 2,902 |
| Phillips County | Ronald Reagan+1,038 | 1,68971.4% | 65127.5% | 271.1% | 2,367 |
| Pitkin County | Ronald Reagan+824 | 3,11756.4% | 2,29341.5% | 1182.1% | 5,528 |
| Prowers County | Ronald Reagan+2,034 | 3,50168.7% | 1,46728.8% | 1272.5% | 5,095 |
| Pueblo County | Walter Mondale+2,492 | 24,63447.2% | 27,12652.0% | 4400.8% | 52,200 |
| Rio Blanco County | Ronald Reagan+1,647 | 2,13180.8% | 48418.4% | 220.8% | 2,637 |
| Rio Grande County | Ronald Reagan+2,018 | 3,12273.3% | 1,10425.9% | 360.8% | 4,262 |
| Routt County | Ronald Reagan+2,188 | 4,23966.2% | 2,05132.0% | 1181.8% | 6,408 |
| Saguache County | Ronald Reagan+334 | 1,20157.6% | 86741.6% | 160.8% | 2,084 |
| San Juan County | Ronald Reagan+137 | 32061.7% | 18335.3% | 163.1% | 519 |
| San Miguel County | Ronald Reagan+179 | 83354.8% | 65443.0% | 342.2% | 1,521 |
| Sedgwick County | Ronald Reagan+717 | 1,14672.4% | 42927.1% | 80.5% | 1,583 |
| Summit County | Ronald Reagan+1,665 | 3,25366.1% | 1,58832.3% | 771.6% | 4,918 |
| Teller County | Ronald Reagan+2,417 | 3,46075.8% | 1,04322.9% | 591.3% | 4,562 |
| Washington County | Ronald Reagan+1,512 | 2,08077.5% | 56821.2% | 361.3% | 2,684 |
| Weld County | Ronald Reagan+17,430 | 31,29368.5% | 13,86330.3% | 5231.1% | 45,679 |
| Yuma County | Ronald Reagan+2,273 | 3,39474.3% | 1,12124.5% | 521.1% | 4,567 |
Nominees: Walter Mondale (D) · Ronald Reagan (R)
Colorado's presidential margins
1892–2024, the 1984 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −41.1% |
| 1896 | +70.6% |
| 1900 | +13.6% |
| 1904 | −14.2% |
| 1908 | +1.1% |
| 1912 | +20.9% |
| 1916 | +26.0% |
| 1920 | −23.4% |
| 1924 | −35.0% |
| 1928 | −30.8% |
| 1932 | +13.4% |
| 1936 | +23.3% |
| 1940 | −2.6% |
| 1944 | −6.8% |
| 1948 | +5.4% |
| 1952 | −21.3% |
| 1956 | −19.7% |
| 1960 | −9.7% |
| 1964 | +23.1% |
| 1968 | −9.2% |
| 1972 | −28.0% |
| 1976 | −11.5% |
| 1980 | −24.0% |
| 1984 | −28.3% |
| 1988 | −7.8% |
| 1992 | +4.3% |
| 1996 | −1.4% |
| 2000 | −8.4% |
| 2004 | −4.7% |
| 2008 | +9.0% |
| 2012 | +5.4% |
| 2016 | +4.9% |
| 2020 | +13.5% |
| 2024 | +11.0% |
Same ballot, 1984CO
Source. MIT Election Data + Science Lab — 1984 presidential returns · official county-level results. Real returns — nothing estimated.