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City Profile

San Quentin, California

Population: - · 2 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
4,264
People
Median age
Housing
Total households
Income
Median household income
Housing
Total housing units
Employment
Employment rate
Education
Bachelor’s degree or higher
Healthcare
Insured population
City details
Local time 23:46:52(PT)
LocationSan Quentin, CA
Population (ZIP areas)4,264(sum of local ZIP code populations)
Total ZIP codes2total
ZIP codes (by type)
1 Standard1 PO Box
CountyMarin
Area code
TimezonePacific Time (PT)
Coordinates37.9405953, -122.4907119
Land area0.5 sq miles(1,182,222 m²)

Map of San Quentin, California with ZIP codes

Map of San Quentin, California and ZIP codes

ZIP Codes in San Quentin

Explore the ZIP codes that make up San Quentin. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
94964PO BOX$115,1924,264
94974Standard

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near San Quentin, CA.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS