Colorado, Colorado
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| 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% |
DemocraticRepublican
34 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 54.1%Harris1,728,159 | 43.1%Trump1,377,441 | 1.1%Kennedy35,623 | 3,192,745 | ||
| D | 55.4%Biden1,803,921 | 41.9%Trump1,364,202 | 1.6%Jorgensen52,460 | 3,256,061 | ||
| D | 48.2%Clinton1,338,870 | 43.3%Trump1,202,484 | 5.2%Johnson144,121 | 2,780,247 | ||
| D | 51.4%Obama1,323,102 | 46.1%Romney1,185,243 | 1.4%Johnson35,545 | 2,571,846 | ||
| D | 53.7%Obama1,288,576 | 44.7%McCain1,073,589 | 0.6%Nader13,350 | 2,401,361 | ||
| R | 47.0%Kerry1,001,725 | 51.7%Bush1,101,256 | 0.6%Nader12,718 | 2,130,325 | ||
| R | 42.4%Gore738,227 | 50.8%Bush883,745 | 5.3%Nader91,434 | 1,741,365 | ||
| R | 44.4%Clinton671,152 | 45.8%Dole691,848 | 6.6%Perot99,629 | 1,510,704 | ||
| D | 40.1%Clinton629,681 | 35.9%Bush562,850 | 23.3%Perot366,010 | 1,569,180 | ||
| R | 45.3%Dukakis621,453 | 53.1%Bush728,177 | 1.1%Paul15,482 | 1,372,394 | ||
| R | 35.1%Mondale454,975 | 63.4%Reagan821,817 | 0.9%Bergland11,257 | 1,295,358 | ||
| R | 31.1%Carter367,973 | 55.1%Reagan652,264 | 11.0%Anderson130,633 | 1,184,415 | ||
| R | 42.6%Carter460,353 | 54.1%Ford584,367 | 2.4%McCarthy26,047 | 1,081,135 | ||
| R | 34.6%McGovern329,980 | 62.6%Nixon597,189 | 2.8%Schmitz26,716 | 953,885 | ||
| R | 41.4%Humphrey335,174 | 50.5%Nixon409,345 | 8.1%Wallace65,732 | 810,251 | ||
| D | 61.3%Johnson476,024 | 38.2%Goldwater296,767 | 0.5%Hass4,194 | 776,985 | ||
| R | 44.9%Kennedy330,629 | 54.6%Nixon402,242 | 0.5%Byrd3,365 | 736,236 | ||
| R | 39.8%Stevenson263,997 | 59.5%Eisenhower394,479 | 0.7%Andrews4,598 | 663,074 | ||
| R | 39.0%Stevenson245,504 | 60.3%Eisenhower379,782 | 0.8%Hallinan4,817 | 630,103 | ||
| D | 51.9%Truman267,288 | 46.5%Dewey239,714 | 1.6%Thurmond8,235 | 515,237 | ||
| R | 46.4%Roosevelt234,331 | 53.2%Dewey268,731 | 0.4%Thomas1,977 | 505,039 | ||
| R | 48.4%Roosevelt265,554 | 50.9%Willkie279,576 | 0.7%Thomas3,874 | 549,004 | ||
| D | 60.4%Roosevelt295,021 | 37.1%Landon181,267 | 2.5%Lemke12,397 | 488,685 | ||
| D | 54.8%Roosevelt250,877 | 41.4%Hoover189,617 | 3.8%Thomas17,202 | 457,696 | ||
| R | 33.9%Smith133,131 | 64.7%Hoover253,872 | 1.3%Thomas5,239 | 392,242 | ||
| R | 22.0%Davis75,238 | 57.0%Coolidge195,171 | 21.0%La Follette71,852 | 342,261 | ||
| R | 35.9%Cox104,936 | 59.3%Harding173,248 | 4.7%Debs13,869 | 292,053 | ||
| D | 60.7%Wilson178,806 | 34.8%Hughes102,307 | 4.5%Benson13,251 | 294,364 | ||
| D | 42.8%Wilson114,232 | 21.9%Taft58,386 | 35.3%Roosevelt94,262 | 266,880 | ||
| D | 48.0%Bryan126,626 | 46.9%Taft123,610 | 5.1%Debs13,519 | 263,755 | ||
| R | 41.1%Parker100,105 | 55.3%Roosevelt134,678 | 3.7%Debs8,901 | 243,684 | ||
| D | 55.5%Bryan122,705 | 41.9%McKinley92,622 | 2.5%Woolley5,603 | 220,930 | ||
| D | 84.7%Bryan158,821 | 14.1%McKinley26,379 | 1.2%Palmer2,270 | 187,470 | ||
| O | 0.0%Cleveland0 | 41.1%Harrison38,620 | 58.9%Weaver55,240 | 93,860 |
2026 election
On the ballot
Governoropen seatno nominee yet
Michael BennetPhil WeiserBarbara KirkmeyerScott Bottoms
Open seat: incumbent Jared Polis (D) is term-limited. Primary is June 30, 2026 (NOT yet held as of June 25). Democratic primary is CONTESTED: U.S. Sen. Michael Bennet (frontrunner) vs. state AG Phil Weiser. Republican primary is a three-way: state Sen. Barbara Kirkmeyer (establishment-backed), state Rep. Scott Bottoms, and Victor Marx. Bennet is the heavy favorite given Colorado's Democratic lean. Nominees not yet decided.
U.S. Senateno nominee yet
John Hickenlooperpresumptive nomineeMark Baisleypresumptive nomineeJulie Gonzales
Both party primaries are June 30, 2026 (NOT yet held as of June 25). Incumbent John Hickenlooper (D) is the heavy frontrunner over progressive state Sen. Julie Gonzales (D) in a contested primary. State Sen. Mark Baisley is running unopposed in the GOP primary (cleared field, presumptive nominee). Minor general-election filers not yet confirmed on the ballot.
Source · Akashic 2026 forecast.
Congressional elections · 161 House races · 16 Senate races
U.S. House
| Year | Seats won | D % | R % | Total |
|---|---|---|---|---|
| D 4 · R 4 | 54.2% | 42.5% | 3,073,391 | |
| D 5 · R 3 | 55.2% | 42.5% | 2,472,074 | |
| D 4 · R 3 | 53.1% | 43.5% | 3,164,950 | |
| D 4 · R 3 | 53.4% | 43.0% | 2,513,546 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | D | 55.9%1,397,170 | 41.3%1,031,693 | 2,500,201 |
| 2020 | D | 53.5%1,731,114 | 44.2%1,429,492 | 3,235,790 |
| 2016 | D | 50.0%1,370,710 | 44.3%1,215,318 | 2,743,023 |
| 2014 | R | 46.3%944,203 | 48.2%983,891 | 2,041,020 |
| 2010 | D | 48.1%851,590 | 46.4%822,731 | 1,772,190 |
| 2008 | D | 52.8%1,230,994 | 42.5%990,755 | 2,331,486 |
| 2004 | D | 51.3%1,081,188 | 46.5%980,668 | 2,107,472 |
| 2002 | R | 45.8%648,130 | 50.7%717,893 | 1,415,486 |
| 1998 | R | 35.0%464,754 | 62.5%829,370 | 1,327,235 |
| 1996 | R | 45.7%667,600 | 51.4%750,315 | 1,459,535 |
| 1992 | D | 51.8%803,725 | 42.7%662,893 | 1,552,289 |
| 1990 | R | 41.7%425,746 | 55.7%569,048 | 1,022,027 |
| 1986 | D | 49.9%529,449 | 48.4%512,994 | 1,060,765 |
| 1984 | R | 34.6%449,327 | 64.2%833,821 | 1,297,809 |
| 1980 | D | 50.3%590,501 | 48.7%571,295 | 1,173,142 |
| 1978 | R | 40.3%330,148 | 58.7%480,801 | 819,256 |
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2016 | 3,875,266 | 1,208,891 | 1,186,441 | 1,407,556 | 72,378 |
| 2018 | 3,999,053 | 1,200,711 | 1,148,145 | 1,574,813 | 75,384 |
| 2020 | 4,261,765 | 1,249,506 | 1,145,859 | 1,784,493 | 81,907 |
| 2022 | 4,424,211 | 1,203,798 | 1,069,757 | 2,065,931 | 84,725 |
| 2024 | 4,651,146 | 1,178,377 | 1,060,349 | 2,303,820 | 108,600 |
Source: Colorado Secretary of State
While the country moved six points toward Trump and California nine, Colorado’s Democratic margin slipped two and a half.
- Held against the tide
- D+13.5 (2020) → D+11.0 (2024) — a 2.5-pt slip as the nation moved ~6 pts to Trump · MIT Election Lab
- The educated suburbs
- Jefferson D+19.5, Arapahoe D+20.1, Broomfield D+28.5, Larimer D+17.6 — once Republican or competitive · MIT Election Lab 2024
- 2nd-most-educated state
- 45.5% hold a bachelor’s degree — 2nd of 50; Boulder is the bluest metro in America (D+55.7) · ACS 2024; MIT Election Lab
- Even the red is softening
- The city of Colorado Springs: R+16 (2016) → R+3.5 (2020) → R+2 (2024), toward the Democrats as the nation moved away; El Paso County still R+9.8 · MIT Election Lab
- Colorado’s Latino mirror
- Pueblo County voted R+5.1 in 2024 after generations Democratic — though the city of Pueblo held D · MIT Election Lab
- Open governor in 2026
- Polis term-limited; Sen. Bennet (D) leaves his seat to run vs AG Weiser — June 30 primary; Hickenlooper (D) seeks a 2nd term · Akashic 2026 forecast
Political twins — states
The states whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Oregon
Oregon
70.0twin score
% unaffiliated12-yr trend2020–2024 trajectory≠ college share
Washington
Washington
68.1twin score
12-yr trendmedian income2020–2024 trajectory≠ % Asian
Virginia
Virginia
48.4twin score
12-yr trendmedian incomecollege share≠ % Black
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Colorado. Akashic. https://akashic.app/state/CO/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Colorado vote in 2024?
In 2024, Colorado voted Democratic by 11.0 points (D+11.0), carried by the Democratic candidate. Out of 3,192,745 votes cast, 1,728,159 went Democratic and 1,377,441 went Republican.
When did Colorado last vote Republican?
The most recent presidential election in which Colorado voted Republican was 2004.
How many people live in Colorado?
Colorado has a population of 5,862,189 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Colorado?
Median household income in Colorado is $95,470 — above the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Colorado?
Akashic tracks 34 presidential elections in Colorado from 1892 to 2024. Of those, 15 went Democratic and 18 went Republican.