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Castle Rock town, CO

ZIP 80109 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 80109

80109 has a population of 27,795 with a median age of 35.8 yrs (49.6% male).

Race & Ethnicity
White
84.4%+37% vs US avg
x
Black
1.1%-91% vs US avg
x
Asian
2.5%-58% vs US avg
x
Hispanic
12.0%-36% vs US avg
x
Age Groups
0–17
27.5%+25% vs US avg
x
18–64
63.8%+3% vs US avg
x
65+
8.7%-47% vs US avg
x
Education
Less than HS
1.8%-84% vs US avg
x
High school
13.5%-49% vs US avg
x
Some college
28.1%-3% vs US avg
x
Bachelor's+
56.6%+68% vs US avg
x
Marital Status
Married
61.0%+27% vs US avg
x
Never married
27.2%-20% vs US avg
x
Divorced
8.8%-15% vs US avg
x
Widowed / Separated
3.0%
x
Diversity Index
27/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
3.6%-69% vs US avg
x
Foreign Born
36.3%+161% vs US avg
x
Veterans
6.7%+12% vs US avg
x
Disability
6.4%-52% vs US avg
x
Single Parent
4.0%-51% vs US avg
x
Recent Births
62.9%+984% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 80109

Poverty Rate
3.6%-69% vs US avg
x
Veterans
6.7%+12% vs US avg
x
Foreign Born
36.3%+161% vs US avg
x
Single Parent
4.0%-51% vs US avg
x
Disability
6.4%-52% vs US avg
x
Uninsured
5.6%-30% vs US avg
x
SNAP Benefits
2.2%-81% vs US avg
x
Private School
0.2%-98% vs US avg
x
Recent Births
62.9%+984% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population27,795
Median age35.8
Poverty rate3.6%
Demographics statistics
Demographics
White84.4%
Hispanic12.0%
Black1.1%
Asian2.5%
Foreign-born36.3%