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Zip Code 94128 — San Francisco, CA

94128 is a ZIP Code associated with San Francisco, CA, located within San Mateo. The postal region supports an estimated population of Data Pending residents across Data Pending housing units, with a population density of Data Pending people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.621970, -122.383880)

Data MetricLocal Statistic
Postal / Zip Code94128
Primary CitySan Francisco
State / ProvinceCA
CountySan Mateo
Total PopulationData Pending
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Los_Angeles

How 94128 Compares

MetricZIP 94128San Mateo CountyCA State Average
PopulationData Pending713,10939,286,245
Median IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94030Millbrae1.9 mi22,689N/A
Zip 94066San Bruno2.7 mi42,728N/A
Zip 94080South San Francisco3.1 mi64,761N/A
Zip 94010Burlingame3.4 mi43,025N/A
Zip 94005Brisbane4.8 mi4,692N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →