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Brea city, CA

ZIP 92821 — People & Community

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

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 92821

92821 has a population of 42,196 with a median age of 39.7 yrs (46.3% male).

Race & Ethnicity
White
49.0%-20% vs US avg
x
Black
1.4%-88% vs US avg
x
Asian
24.4%+314% vs US avg
x
Hispanic
32.0%+71% vs US avg
x
Age Groups
0–17
22.6%+3% vs US avg
x
18–64
60.3%-2% vs US avg
x
65+
17.1%+5% vs US avg
x
Education
Less than HS
7.1%-36% vs US avg
x
High school
14.5%-45% vs US avg
x
Some college
29.7%+3% vs US avg
x
Bachelor's+
48.7%+44% vs US avg
x
Marital Status
Married
56.1%+17% vs US avg
x
Never married
31.1%-8% vs US avg
x
Divorced
8.8%-14% vs US avg
x
Widowed / Separated
3.9%
x
Diversity Index
60/100

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

Social & household profile

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

Poverty Rate
6.2%-46% vs US avg
x
Foreign Born
24.8%+79% vs US avg
x
Veterans
4.6%-23% vs US avg
x
Disability
8.4%-37% vs US avg
x
Single Parent
7.2%-12% vs US avg
x
Recent Births
73.5%+1167% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 92821

Poverty Rate
6.2%-46% vs US avg
x
Veterans
4.6%-23% vs US avg
x
Foreign Born
24.8%+79% vs US avg
x
Single Parent
7.2%-12% vs US avg
x
Disability
8.4%-37% vs US avg
x
Uninsured
4.0%-51% vs US avg
x
SNAP Benefits
5.0%-58% vs US avg
x
Private School
0.5%-95% vs US avg
x
Recent Births
73.5%+1167% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population42,196
Median age39.7
Poverty rate6.2%
Demographics statistics
Demographics
White49.0%
Hispanic32.0%
Black1.4%
Asian24.4%
Foreign-born24.8%