ZIP Code 94021 Demographics
San Mateo County, California · ACS 2022 5-Year Estimates
Population & Income Overview
Key statistics for ZIP code 94021 compared to county averages.
Total Population
123
↓ 100.0% vs countyMedian HH Income
$201,950
↑ +34.7% vs countyMedian Home Value
—
No county dataMedian Age
45.0 yrs
↓ +11.7% vs countyUnemployment Rate
0.0%
↑ 100.0% vs countyIncome & Housing Comparison
How ZIP 94021 compares to San Mateo County and California overall. Data from ACS 2022 5-year estimates.
Source: ACS 2022 5-Year Estimates, Table B19013
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?
Enter another ZIP code to see a side-by-side comparison.
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 CountyData 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.