Zip Code 94066 — San Bruno, CA

ZIP Code 94066 is associated with San Bruno, CA, in San Mateo County. The listed population estimate is 42,728; estimated density is 2,722.2 people per square mile. Among records with population estimates, it ranks #6 of 29 in San Mateo County and #336 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.625390, -122.432290)

Data MetricLocal Statistic
Postal / Zip Code94066
Primary CitySan Bruno
State / ProvinceCA
CountySan Mateo
Total Population42,728
Population Density2,722.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 94066 Compares

MetricZIP 94066San Mateo County recordsCA records
Population estimate42,728713,109 (sum)39,286,245 (sum)
Population Density2,722.2 /sq mi----
County population rank#6 of 29----
State population rank#336 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 94080South San Francisco2.2 mi64,761
ZIP 94030Millbrae2.4 mi22,689
ZIP 94128San Francisco2.7 miN/A
ZIP 94044Pacifica2.9 mi37,274
ZIP 94005Brisbane4.5 mi4,692

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 →