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ZIP Code 94121, California

ZIP Code 94121 profile, demographic data, and geographic information.

ZCTA5 94121 is a 5-digit ZIP Code area located in San Francisco County, California. As of official census estimates, it has a reported population of 41,995. The land area covers 2.53 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 41,995 ±1,949 2020-2024 / Census ACS 5-Year 2024
Median Age 44.5 yrs ±2 2020-2024 / Census ACS 5-Year 2024
Total Households 18,206 ±647 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 19,777 ±675
Occupied Housing Units 18,206 ±647
Vacant Housing Units 1,571 ±345
Median Home Value $1,611,400 ±$62,334
Median Gross Rent $2,363 ±$106
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $133,358 ±$11,858
Per Capita Income $88,205 ±$5,018
Poverty Rate 8.6% ±1.3%
Population Below Poverty Level 3,571 ±583
Unemployment Rate 6.1% ±1.2%
Civilian Labor Force, Employed 22,557 ±1,284
Broadband Internet Rate 93.7% ±2.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 Oakland, CA
Regular School Nearby 06-08 Oakland, CA
Regular School Nearby 09-12 Oakland, CA
Alternative School Nearby 09-12 San Francisco, CA
Regular School Nearby KG-05 Oakland, CA
Regular School Nearby 05-08 Kentfield, CA
Regular School Nearby 06-12 Alameda, CA
Regular School Nearby 09-12 Alameda, CA
Alternative School Nearby 09-12 Alameda, CA
Regular School Nearby M Alameda, CA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
University of California-San Francisco
College 2.3 mi away 500 Parnassus Ave, San Francisco, CA, 94143-0244
4154769000
ANZA BRANCH LIBRARY
Library 0.1 mi away 550 37TH AVE., SAN FRANCISCO, CA, 94121
(415) 355-5717
University of San Francisco
College 2.5 mi away 2130 Fulton St, San Francisco, CA, 94117-1080
4154225555
SUNSET BRANCH LIBRARY
Library 1.5 mi away 1305 18TH AVE., SAN FRANCISCO, CA, 94122
(415) 355-2808
San Francisco State University
College 4.1 mi away 1600 Holloway Ave, San Francisco, CA, 94132
4153381111
RICHMOND - SEN. MILTON MARKS BRANCH LIBRARY
Library 1.5 mi away 351 9TH AVE., SAN FRANCISCO, CA, 94118
(415) 355-5600
San Francisco Conservatory of Music
College 4.1 mi away 50 Oak Street, San Francisco, CA, 94102-6011
4158647326
ORTEGA BRANCH LIBRARY
Library 1.9 mi away 3223 ORTEGA ST., SAN FRANCISCO, CA, 94122
(415) 355-5700
San Francisco School of Massage & Bodywork
College Vocational 4.2 mi away 475 Valencia Street, San Francisco, CA, 94103-3416
4154744600
PARK BRANCH LIBRARY
Library 2.5 mi away 1833 PAGE ST., SAN FRANCISCO, CA, 94117
(415) 355-5656
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at SAN FRANCISCO OCEANSIDE, CA US, located 3.5 miles from ZCTA5 94121. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 59.0° 45.7° 52.4° 3.94" 0.0"
February 60.4° 46.6° 53.5° 4.01" 0.0"
March 60.8° 47.9° 54.4° 2.98" 0.0"
April 60.4° 49.1° 54.8° 1.37" 0.0"
May 59.8° 51.0° 55.4° 0.64" 0.0"
June 60.9° 52.7° 56.8° 0.19" 0.0"
July 61.8° 54.3° 58.1° 0.01" 0.0"
August 63.7° 55.4° 59.5° 0.05" 0.0"
September 65.0° 55.3° 60.1° 0.11" 0.0"
October 66.4° 53.2° 59.8° 0.90" 0.0"
November 63.5° 49.5° 56.5° 2.22" 0.0"
December 59.1° 45.8° 52.5° 4.22" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Sausalito city City 5.5 mi —
Daly City city City 5.6 mi —
Broadmoor CDP CDP 6.1 mi —
Marin City CDP CDP 6.5 mi —
Belvedere city City 6.8 mi —
Tamalpais-Homestead Valley CDP CDP 7.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 94121. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.