ZIP Code 94021 Demographics

San Mateo County, California  ·  ACS 2022 5-Year Estimates

ACS 2022 Data

Population & Income Overview

Key statistics for ZIP code 94021 compared to county averages.

Total Population

123

↓ 100.0% vs county

Median HH Income

$201,950

↑ +34.7% vs county

Median Home Value

No county data

Median Age

45.0 yrs

↓ +11.7% vs county

Unemployment Rate

0.0%

↑ 100.0% vs county

Income & Housing Comparison

How ZIP 94021 compares to San Mateo County and California overall. Data from ACS 2022 5-year estimates.

Median Household Income ZIP 94021 $202k San Mateo $150k California $92k

Source: ACS 2022 5-Year Estimates, Table B19013

Median Home Value San Mateo $1.4M California $659k

Source: ACS 2022 5-Year Estimates, Table B25077

Education & Employment

Bachelor's Rate

31.5%

of adults 25+ hold a bachelor's degree or higher

Owner Occupancy

41.0%

of occupied housing units are owner-occupied

Median Gross Rent

per month including utilities

How Does 94021 Compare?

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Location & Neighboring Areas

Interactive map showing ZIP code 94021 (blue pin) and surrounding areas (purple pins). Click pins to view details.

Nearby ZIP Codes

ZIP codes geographically closest to 94021, sorted by distance.

About San Mateo County

San Mateo County is located in California and has a total population of 754,250. The county's median household income is $149,907 and median home value is $1,441,300. ZIP code 94021 is one of many ZCTAs within this county.

View all ZIP codes in San Mateo County

Data source: American Community Survey (ACS) 2022 5-Year Estimates, U.S. Census Bureau. ZCTAs (ZIP Code Tabulation Areas) are used as proxies for USPS ZIP codes. Some USPS ZIP codes may not have a corresponding ZCTA.