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Zip Code 94109 — San Francisco, CA

ZIP Code 94109 is associated with San Francisco, CA, in San Francisco County. The listed population estimate is 54,553; estimated density is 19,526.7 people per square mile. Among records with population estimates, it ranks #4 of 27 in San Francisco County and #172 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.793340, -122.421380)

Data MetricLocal Statistic
Postal / Zip Code94109
Primary CitySan Francisco
State / ProvinceCA
CountySan Francisco
Total Population54,553
Population Density19,526.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 94109 Compares

MetricZIP 94109San Francisco County recordsCA records
Population estimate54,553830,479 (sum)39,286,245 (sum)
Population Density19,526.7 /sq mi----
County population rank#4 of 27----
State population rank#172 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 94108San Francisco0.7 mi11,305
ZIP 94133San Francisco0.8 mi23,804
ZIP 94102San Francisco1.0 mi35,976
ZIP 94123San Francisco1.0 mi24,054
ZIP 94115San Francisco1.0 mi32,629

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 →