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Zip Code 94002 — Belmont, CA

94002 is a ZIP Code associated with Belmont, CA, located within San Mateo. 94002 ranks #14 out of 30 ZIP codes in San Mateo County by population (and #660 out of 1,802 in CA). The area supports an estimated population of 27,534 residents across Data Pending housing units, with a population density of 1,890.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.513660, -122.298530)

Data MetricLocal Statistic
Postal / Zip Code94002
Primary CityBelmont
State / ProvinceCA
CountySan Mateo
Total Population27,534
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,890.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 94002 Compares

MetricZIP 94002San Mateo CountyCA State Average
Population27,534713,109 (Total)39,286,245 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density1,890.2 /sq mi----
County Pop Rank#14 of 30----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94403San Mateo1.7 mi43,276N/A
Zip 94070San Carlos1.9 mi30,447N/A
Zip 94402San Mateo2.7 mi25,475N/A
Zip 94065Redwood City3.2 mi11,673N/A
Zip 94404San Mateo3.4 mi35,881N/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 →