Postal Codes

90621 ZIP Code

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ZIP code 90621 covers Buena Park, California, with a population of about 35,735 and a median household income of $94,679.

Population
35,7358,526 per square mile
Median age
371.7 points below the US average
Median household income
$94,679about the California median
Poverty rate
10.7%1.7 points below the US average
Typical home value
$898,882up 26.3% in five years
Median rent
$2,0611.1× the California median
Degree or higher
31.5%3.5 points below the US average
Homeownership
37%28 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,163

Where 90621 is

Buena Park, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population35,735
Median age37
Family households79.8%
Born outside the US40.4%
Speaks a language other than English at home60.7%
White (non-Hispanic)13%
Black (non-Hispanic)2.1%
Asian (non-Hispanic)35.4%
Hispanic or Latino47.2%
Veterans2.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$94,679
Income per person$36,422
Poverty rate10.7%
Households on SNAP or cash assistance15.1%

Household income distribution

Under $10k3.3%
$10–15k2.1%
$15–20k1.3%
$20–25k1.1%
$25–30k2.0%
$30–35k2.3%
$35–40k2.5%
$40–45k2.3%
$45–50k4.2%
$50–60k5.7%
$60–75k10.0%
$75–100k16.0%
$100–125k12.9%
$125–150k9.5%
$150–200k11.3%
$200k or more13.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed16,930
Mean adjusted gross income$68,310
Returns declaring $200,000 or more4.5%
Returns, under $25k28.4%
Returns, $25k–$50k28.4%
Returns, $50k–$75k15.9%
Returns, $75k–$100k9.6%
Returns, $100k–$200k13.3%
Returns, $200k or more4.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$734,400
Median gross rent$2,061
Rent as a share of household income29.5%
Owner-occupied37%
Vacant homes2.6%
Median year built1975

What the homes are

Detached house32.2%
Attached house16.7%
2 to 4 units11.2%
5 to 19 units21%
20 or more units16.8%
Mobile home2.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$898,882as of 2026-07
Typical home value, 1 yearup 1.3%
Typical home value, 5 yearsup 26.3%
Typical home value, 10 yearsup 73.1%
Typical asking rent$2,620as of 2026-07
Typical asking rent, 1 yearup 2.1%
Typical home value since 2000
200020132026$898,882$233,689

$233,689 in 2000 to $898,882 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.3%
Bachelor's degree or higher31.5%
High school diploma or higher83.7%
Works from home7.1%
Drives to work alone74.1%
Takes public transport1.9%
Commutes 45 minutes or more21.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity23.5% 9.9 pts below the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes9.7% 3.5 pts below the national average of 13.2%
High blood pressure27% 7.1 pts below the national average of 34.1%
Fair or poor general health22.8% 2.5 pts above the national average of 20.3%
No health insurance (18–64)12% 0.7 pts above the national average of 11.3%
Depression17.2% 4.7 pts below the national average of 21.9%
No leisure-time physical activity27.7% 2.3 pts above the national average of 25.4%
Arthritis15.7% 9.4 pts below the national average of 25.1%
Binge drinking14% 2 pts below the national average of 16%
Taking blood pressure medication70.8% 3.9 pts below the national average of 74.7%
Cancer (non-skin)4.5% 3.2 pts below the national average of 7.7%
Current asthma8.5% 1.9 pts below the national average of 10.4%
Coronary heart disease4.6% 1.6 pts below the national average of 6.2%
Routine check-up in past year71.6% 5.1 pts below the national average of 76.7%
Cholesterol screening85% 0.9 pts below the national average of 85.9%
Cognitive disability14.1% 0.7 pts below the national average of 14.8%
Colorectal screening54.3% 10 pts below the national average of 64.3%
COPD3.9% 2.7 pts below the national average of 6.6%
Visited a dentist59.5% 1.8 pts below the national average of 61.3%
Any disability28% 2.7 pts below the national average of 30.7%
Lacks emotional support32.4% 7.6 pts above the national average of 24.8%
Food insecurity20.4% 3.3 pts above the national average of 17.1%
Received food stamps15.6% 1.3 pts above the national average of 14.3%
Hearing disability4.8% 1.9 pts below the national average of 6.7%
High cholesterol35.3% 0.9 pts below the national average of 36.2%
Housing insecurity16.1% 2.3 pts above the national average of 13.8%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Lacks transport9.7% 0.5 pts above the national average of 9.2%
Loneliness37.5% 3.1 pts above the national average of 34.4%
Mammography use77.8% 1.9 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability12.3% 1.7 pts below the national average of 14%
Poor physical health (14+ days)12.4% 1.1 pts below the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Utility shut-off threat7.5% 1.3 pts below the national average of 8.8%
Sleeps under 7 hours37.6% 1.2 pts above the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost10.9% 2.1 pts below the national average of 13%
Vision disability5.6% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,163
People employed11,794
Annual payroll$739,286,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 94.1% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 9 census tracts this ZIP code covers
Expected annual loss95.9 out of 100
Community resilience14.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake96.4Very High at its worst in this ZIP code
River flooding95.2Very High at its worst in this ZIP code
Landslide68.7Relatively Low at its worst in this ZIP code
Heat wave39.1Relatively Moderate at its worst in this ZIP code
Hail30.5Relatively Low at its worst in this ZIP code
Tornado24.5Relatively Low at its worst in this ZIP code
Strong wind12.2Very Low at its worst in this ZIP code
Wildfire11.7Very Low at its worst in this ZIP code
Lightning6.6Very Low at its worst in this ZIP code
Winter weather4.5Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$94,679$96,334$78,538
Income per person$36,422$47,977$43,289
Poverty rate10.7%12%12.4%
Median home value$734,400$695,400$303,400
Median gross rent$2,061$1,956$1,348
Homeownership37%55.8%65%
Bachelor's degree or higher31.5%36.5%35%
Unemployment rate6.3%6.4%5.2%
Works from home7.1%15.5%13.5%
Born outside the US40.4%26.7%13.9%
Median age3737.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationFULLERTON MUNI AP, CA US1.1 km away
Rain in a year12 in

Average high and low by month

January68.8°F / 46.4°F2.85 in rain
February69°F / 48.3°F3.02 in rain
March71°F / 51.5°F1.74 in rain
April74.2°F / 53.8°F0.59 in rain
May75.7°F / 58.1°F0.3 in rain
June79°F / 62.6°F0.08 in rain
July84.4°F / 66.1°F0.02 in rain
August86.7°F / 66.4°F0.02 in rain
September85.4°F / 64.6°F0.14 in rain
October80.3°F / 58.3°F0.5 in rain
November74°F / 50.7°F0.74 in rain
December68.1°F / 45.6°F1.86 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket22% of this ZIP code's area
Far from a supermarket22% of this ZIP code's area
No vehicle and far from a supermarket23% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Buena Park Elementary School District50% of this ZIP code's land area
Fullerton Joint Union High School District50% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability72more vulnerable than 72% of US census tracts
Socioeconomic status61more vulnerable than 61% of US census tracts
Household characteristics56more vulnerable than 56% of US census tracts
Racial and ethnic minority status87more vulnerable than 87% of US census tracts
Housing type and transport78more vulnerable than 78% of US census tracts
Walkability15 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

90624 Buena Park, CA2.5 km away
92837 Fullerton, CA2.7 km away
92833 Fullerton, CA3.2 km away
90622 Buena Park, CA3.7 km away
90638 La Mirada, CA3.8 km away
90620 Buena Park, CA4.1 km away
90639 La Mirada, CA4.2 km away
92850 Anaheim, CA4.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Orange County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area4.19 sq mi
Water area0.02 sq mi
Population density8,526 people per sq mi
Latitude, longitude33.8772, -117.9893

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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