Zip Code 94080 — South San Francisco, CA

ZIP Code 94080 is associated with South San Francisco, CA, in San Mateo County. The listed population estimate is 64,761; estimated density is 2,456.9 people per square mile. Among records with population estimates, it ranks #1 of 29 in San Mateo County and #87 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.655410, -122.420830)

Data MetricLocal Statistic
Postal / Zip Code94080
Primary CitySouth San Francisco
State / ProvinceCA
CountySan Mateo
Total Population64,761
Population Density2,456.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 94080 Compares

MetricZIP 94080San Mateo County recordsCA records
Population estimate64,761713,109 (sum)39,286,245 (sum)
Population Density2,456.9 /sq mi----
County population rank#1 of 29----
State population rank#87 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 94066San Bruno2.2 mi42,728
ZIP 94005Brisbane2.4 mi4,692
ZIP 94014Daly City2.8 mi45,315
ZIP 94128San Francisco3.1 miN/A
ZIP 94015Daly City3.7 mi64,091

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 →