Home > CA > San Mateo County > San Carlos > Zip 94070

Zip Code 94070 — San Carlos, CA

94070 is a ZIP Code associated with San Carlos, CA, located within San Mateo. The postal region supports an estimated population of 30,447 residents across Data Pending housing units, with a population density of 1,920.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.497390, -122.270210)

Data MetricLocal Statistic
Postal / Zip Code94070
Primary CitySan Carlos
State / ProvinceCA
CountySan Mateo
Total Population30,447
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,920.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 94070 Compares

MetricZIP 94070San Mateo CountyCA State Average
Population30,447713,10939,286,245
Median IncomeData PendingN/AN/A
Population Density1,920.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94002Belmont1.9 mi27,534N/A
Zip 94065Redwood City2.9 mi11,673N/A
Zip 94061Redwood City3.1 mi37,048N/A
Zip 94403San Mateo3.4 mi43,276N/A
Zip 94063Redwood City3.4 mi34,433N/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 →