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Buena Park city, CA

ZIP 90621 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 90621

90621 has a population of 35,735 with a median age of 37.0 yrs (50.5% male).

Race & Ethnicity
White
26.8%-56% vs US avg
x
Black
2.6%-79% vs US avg
x
Asian
35.9%+509% vs US avg
x
Hispanic
47.2%+153% vs US avg
x
Age Groups
0–17
22.8%+3% vs US avg
x
18–64
65.0%+5% vs US avg
x
65+
12.2%-25% vs US avg
x
Education
Less than HS
16.3%+47% vs US avg
x
High school
23.8%-9% vs US avg
x
Some college
28.5%-1% vs US avg
x
Bachelor's+
31.5%-7% vs US avg
x
Marital Status
Married
47.9%-0% vs US avg
x
Never married
40.2%+19% vs US avg
x
Divorced
8.0%-22% vs US avg
x
Widowed / Separated
3.9%
x
Diversity Index
58/100

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

Social & household profile

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

Poverty Rate
10.7%-7% vs US avg
x
Foreign Born
12.6%-9% vs US avg
x
Veterans
2.7%-55% vs US avg
x
Disability
10.6%-21% vs US avg
x
Single Parent
8.0%-1% vs US avg
x
Recent Births
49.1%+746% vs US avg
x
Top ancestry
GermanAmericanEnglish

Health & Community Indicators in 90621

Poverty Rate
10.7%-7% vs US avg
x
Veterans
2.7%-55% vs US avg
x
Foreign Born
12.6%-9% vs US avg
x
Single Parent
8.0%-1% vs US avg
x
Disability
10.6%-21% vs US avg
x
Uninsured
11.0%+38% vs US avg
x
SNAP Benefits
12.8%+9% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
49.1%+746% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population35,735
Median age37.0
Poverty rate10.7%
Demographics statistics
Demographics
White26.8%
Hispanic47.2%
Black2.6%
Asian35.9%
Foreign-born12.6%