Seal Beach, CA

Census ZIP code profile for Seal Beach, CA — 1 ZIPs, total population 23,729. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Seal Beach, CA is covered by 1 USPS ZIP code serving a combined population of 23,729 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Seal Beach splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Seal Beach, the median household income averages $85,347 and per-capita income averages $68,037. Poverty rate runs at 6.7% and unemployment at 4.7%. On housing, the average median home value is $484,100 with median rent of $2,652 per month, and 76.9% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Seal Beach against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Seal Beach as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

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1

ZIP Codes

23,729

Population

$85,347

Median Income

$484,100

Median Home Value

61.6

Median Age

How much do residents of Seal Beach earn?

Median Household Income
$85,347
Per Capita Income
$68,037
Unemployment Rate
4.7%
Poverty Rate
6.7%

What does housing look like in Seal Beach?

Median Home Value
$484,100
Median Rent
$2,652/mo
Owner Occupied
76.9%
Housing Units
14,243

Who lives in Seal Beach?

Bachelor's Degree+
51.4%
High School+
66.5%
Avg Commute
29 min
Foreign Born
17.7%

ZIP Codes in Seal Beach, CA

ZIP Code Population Density Timezone
90740 23,729 1,043 America/Los_Angeles

Frequently Asked Questions

How many ZIP codes are in Seal Beach, CA?
Seal Beach, CA has 1 ZIP code with a combined population of 23,729, based on Census ACS 2023 data.
What is the median household income in Seal Beach?
The average median household income across Seal Beach, CA ZIP codes is $85,347. The poverty rate is 6.7%.
What is the cost of living in Seal Beach?
The average median home value in Seal Beach, CA is $484,100. Median rent is $2,652/month. 76.9% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.