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Buena Park city, CA

ZIP Code 90621 — Buena Park city, CA Demographics & Data

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

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
35,735
Median Income
$94,679
+26% vs US avg
Home Value
$734,400
+111% vs US avg
Median Rent
$1,891
+63% vs US avg
Median Age
37.0 yrs
-5% vs US avg
Area Code
Congress
Top Ancestry
GermanAmericanEnglish
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Location
Coordinates
33.8742, -117.9934
Elevation
96 ft
Land Area
4.2 sq mi
Water Area
0.0 sq mi (0% water)

At a glance

Population
35,735
Density
N/A
Median income
$94,679
+26% vs US avg
Home value
$734,400
+111% vs US avg
Median rent
$1,891
+63% vs US avg
Timezone

Overview of ZIP Code 90621

UniversityUniversity / college area
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What to know about ZIP 90621

ZIP code 90621 covers Buena Park, CA in Orange County with a population of about 35,735.

At a glance, the area shows median age of 37.0 versus a U.S. median of about 38.9.

It sits in telephone area codes 657, 714; U.S. House district CA-45; the LOS ANGELES media market.

Local search focus: University

Buena Park, CA sits in a university / college context (near american career college-anaheim (2.0 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Income and economy in Buena Park, CA

Median household income in ZIP 90621 is about $94,679 — about 26% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 10.7%; unemployment rate near 6.3%; 31.5% of adults with a bachelor’s degree or higher (about 2.2 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Retail trade; about 7.1% of workers reporting work-from-home (about 8.1 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 90621

Median home value is about $734,400 — about 111% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,891 (about 63% above the U.S. median rent ($1,163)), and owner-occupancy near 37.0% (about 28.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 90621 in Buena Park, CA, a household would need roughly $202,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $4,718. That is about 113% above the local median household income ($94,679), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Buena Park city, CA as Very High (composite score 99.8), which is among the highest nationally. The strongest component scores on US5 are flood (99.8) and wildfire (99.8). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Buena Park city, CA show little to no average snow and around 11.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,759 for ZIP 90621 (Buena Park city, CA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport LGB (9.8 miles (15.8 km)) · American Career College-Anaheim (2.0 miles (3.2 km)) · Juan Bautista de Anza National Historic Trail (44.1 miles (71.0 km)) · VA: Anaheim (2.0 miles (3.2 km))

Full lists and map pins are in the Infrastructure section below.