2024 presidential election
Castle Rock
TrumpR+16.1
Constituent county margins for Castle Rock, COOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 56.8% | 28,415 |
|---|---|---|
| Kamala HarrisDemocratic | 40.7% | 20,345 |
| OtherAll other candidates | 2.5% | 1,271 |
D+60R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2008 | −21.4% |
| 2012 | −30.4% |
| 2016 | −26.3% |
| 2020 | −16.5% |
| 2024 | −16.1% |
DemocraticRepublican
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 20,345 | 28,415 | 50,031 | ||
| R | 18,278 | 25,732 | 45,090 | ||
| R | 10,946 | 19,973 | 34,267 | ||
| R | 9,561 | 17,922 | 27,483 | ||
| R | 9,386 | 14,617 | 24,416 |
Demographics
Demographic profile
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Castle RockCity | ColoradoState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 81.2% | 70.5% | 61.0% |
| Black | 0.8% | 4.0% | 12.2% |
| Asian | 2.6% | 3.3% | 6.0% |
| Two or more races | 11.9% | 14.9% | 12.6% |
| Other race | 3.4% | 7.2% | 8.2% |
| Hispanic or Latino | 11.7% | 22.5% | 19.3% |
| Income & Age | |||
| Median household income | $145,197 | $95,470 | $84,427 |
| Poverty rate | 3.8% | 9.5% | 12.5% |
| Median age | 36.5 | 37.9 | 39.1 |
| Age 18–24 | 7.8% | 9.2% | 9.2% |
| Age 65 and older | 13.9% | 15.5% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 55.9% | 45.7% | 35.7% |
| Speaks a non-English language at home | 8.2% | 16.2% | 22.3% |
| Spanish | 5.1% | 11.1% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 21.2% | German 17.9% | German 12.5% |
| 2nd-largest ancestry | English 17.0% | English 12.6% | English 9.5% |
| 3rd-largest ancestry | Irish 13.2% | Irish 11.2% | Irish 9.4% |
| Religion | |||
| Catholic | 13.5%County context | 15.1% | 18.6% |
| Evangelical Protestant | 14.7%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 62.9%County context | 64.7% | 51.5% |
| Latter-day Saints | 5.1%County context | 2.6% | 2.0% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
21.2%
English
17.0%
Irish
13.2%
Italian
6.1%
American
3.5%
Scottish
3.0%
French
2.7%
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: 36.5 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
$145,197
Castle Rock$145,197
Colorado$95,470
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
3.8%
Child poverty is below the national average.
Children under 183.0%
Working age (18–64)3.8%
Seniors (65+)6.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
91.8%
speak English only
Spanish5.1%
Other Indo-European0.8%
Other Asian & Pacific Island0.6%
Russian, Polish, or other Slavic0.5%
Chinese (incl. Mandarin & Cantonese)0.4%
French (incl. Cajun & Haitian)0.2%
Other languages0.2%
German or other West Germanic0.1%
Korean0.1%
Vietnamese0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Unaffiliated or not counted62.9%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.
Castle Rock sits in the Rocky Mountain West. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 30.4 points in 2012. The 2024 margin was 16.1 points.
A population of 79,123, a 81% non-Hispanic-white share, and a median household income of $145,197 describe the city.
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.
Castle Rock, Colorado. Akashic. https://akashic.app/city/0812415/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Castle Rock, Colorado vote in 2024?
In 2024, Castle Rock, Colorado voted Republican by 16.1 points (R+16.1), carried by the Republican candidate. Out of 50,031 votes cast, 20,345 went Democratic and 28,415 went Republican.
What is Castle Rock, Colorado's political typology?
Akashic places Castle Rock, Colorado in the "" typology. 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 5 elections in the dataset, the city has voted Democratic 0 times, Republican 5 times, and other 0 times.
How many people live in Castle Rock, Colorado?
Castle Rock, Colorado has a population of 79,123 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Castle Rock, Colorado?
Median household income in Castle Rock, Colorado is $145,197 — above the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Castle Rock, Colorado?
Akashic tracks 5 presidential elections in Castle Rock, Colorado from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.