Adams County, Colorado: New American county. In 2024, voted D+9%. Democratic peak: D+39 in 1964.
Key facts
- 2024 presidential margin
- D+9MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 530,2252024 5-year
- Median household income
- $94,5712024 5-year
- White (non-Hispanic)
- 55.0%2024 5-year
- Black
- 3.6%2024 5-year
- Hispanic / Latino
- 42.8%2024 5-year
- Peak Democratic margin
- D+39 in 1964MIT Election Lab
- Peak Republican margin
- R+33 in 1924MIT Election Lab
- Most similar
- Clay County, MS · similarity 0.97
2024 results by precinct
2024 precinct map of Adams CountyPrecinct-level 2024 presidential results for Adams County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | −3.4% |
| 1908 | −2.6% |
| 1912 | +32.4% |
| 1916 | +27.8% |
| 1920 | −20.1% |
| 1924 | −33.1% |
| 1928 | −27.6% |
| 1932 | +22.7% |
| 1936 | +21.4% |
| 1940 | −1.0% |
| 1944 | −9.2% |
| 1948 | +16.9% |
| 1952 | −10.2% |
| 1956 | −5.3% |
| 1960 | +6.8% |
| 1964 | +38.6% |
| 1968 | +1.4% |
| 1972 | −24.4% |
| 1976 | +6.6% |
| 1980 | −13.6% |
| 1984 | −21.6% |
| 1988 | +6.7% |
| 1992 | +14.1% |
| 1996 | +12.4% |
| 2000 | +6.1% |
| 2004 | +2.3% |
| 2008 | +18.4% |
| 2012 | +16.8% |
| 2016 | +8.5% |
| 2020 | +16.3% |
| 2024 | +9.0% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 124,056 | 103,024 | 233,491 | ||
| D | 134,202 | 95,657 | 236,735 | ||
| D | 96,558 | 80,082 | 193,677 | ||
| D | 100,649 | 70,972 | 176,893 | ||
| D | 93,443 | 63,976 | 160,499 | ||
| D | 69,122 | 65,912 | 136,677 | ||
| D | 54,132 | 47,561 | 107,852 | ||
| D | 48,314 | 36,666 | 94,214 | ||
| D | 45,357 | 30,856 | 103,077 | ||
| D | 49,464 | 43,163 | 94,094 | ||
| R | 35,285 | 55,092 | 91,511 | ||
| R | 31,357 | 42,916 | 84,975 | ||
| D | 40,551 | 35,392 | 78,127 | ||
| R | 24,170 | 40,372 | 66,412 | ||
| D | 25,111 | 24,343 | 55,493 | ||
| D | 35,498 | 15,652 | 51,454 | ||
| D | 21,168 | 18,452 | 39,798 | ||
| R | 11,470 | 12,778 | 24,463 | ||
| R | 7,321 | 8,995 | 16,387 | ||
| D | 6,240 | 4,419 | 10,791 | ||
| R | 4,101 | 4,933 | 9,063 | ||
| R | 4,674 | 4,767 | 9,503 | ||
| D | 4,865 | 3,124 | 8,151 | ||
| D | 4,554 | 2,812 | 7,665 | ||
| R | 2,265 | 4,031 | 6,388 | ||
| R | 1,209 | 2,931 | 5,203 | ||
| R | 1,633 | 2,510 | 4,360 | ||
| D | 2,120 | 1,165 | 3,434 | ||
| D | 1,312 | 398 | 2,823 | ||
| R | 1,232 | 1,301 | 2,652 | ||
| R | 1,041 | 1,115 | 2,191 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
14.0%
English
8.4%
Irish
8.3%
Italian
4.2%
American
3.0%
French
1.7%
Polish
1.6%
African American
2.9%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 34.8 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$94,571
Adams County ranks in the top 5% of US counties.
Adams County$94,571
Colorado$95,470
United States$80,734
Adams County ranks in the top 5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
9.8%
Child poverty is below the national average.
Children under 1813.6%
Working age (18–64)8.4%
Seniors (65+)10.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
70.7%
speak English only
Spanish24.0%
Asian & Pacific Islander2.4%
Other Indo-European2.3%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 73.0% of residents not counted as adherents by any reporting body.
Adams County anchors Denver's northeastern suburbs and exurbs, where rapid Latino population growth and in-migration from the city have redrawn its electoral map over two decades, producing a D+9 margin in 2024.
Adams County has leaned Democratic in recent presidential elections, reaching a Democratic margin of thirty-nine points in 1964. Between 2020 and 2024 it moved seven points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 55% non-Hispanic-white share, a median household income of $94,571, and a population of 530,225. The county's voting pattern over the last decade is most similar to that of Clay County and Glacier County.
Most similar counties
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Adams County, Colorado. Akashic. https://akashic.app/county/08001/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Adams County, Colorado vote in 2024?
In 2024, Adams County, Colorado voted Democratic by 9.0 points (D+9), carried by the Democratic candidate. Out of 233,491 votes cast, 124,056 went Democratic and 103,024 went Republican.
What is Adams County, Colorado's political typology?
Akashic places Adams County, Colorado in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 19 times, Republican 12 times, and other 0 times.
When did Adams County, Colorado last vote Republican?
The most recent presidential election in which Adams County, Colorado voted Republican was 1984.
How many people live in Adams County, Colorado?
Adams County, Colorado has a population of 530,225 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Adams County, Colorado?
Median household income in Adams County, Colorado is $94,571 — above the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Adams County, Colorado?
Akashic tracks 38 presidential elections in Adams County, Colorado from 1876 to 2024. Of those, 19 went Democratic and 12 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.