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ZIP Code 94303, California

ZIP Code 94303 profile, demographic data, and geographic information.

ZCTA5 94303 is a 5-digit ZIP Code area located in San Mateo County / Santa Clara County, California. As of official census estimates, it has a reported population of 46,879. The land area covers 8.44 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 46,879 ±1,113 2020-2024 / Census ACS 5-Year 2024
Median Age 39.5 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 14,466 ±564 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 15,891 ±554
Occupied Housing Units 14,466 ±564
Vacant Housing Units 1,425 ±276
Median Home Value $1,826,200 ±$174,240
Median Gross Rent $2,771 ±$215
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $151,609 ±$10,205
Per Capita Income $72,225 ±$4,031
Poverty Rate 7.1% ±1.5%
Population Below Poverty Level 3,302 ±698
Unemployment Rate 6% ±1.2%
Civilian Labor Force, Employed 24,010 ±1,075
Broadband Internet Rate 94.9% ±1.7%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 742,893 (2024)
ID: 123088
County Official County Government
Contact: DEPUTY COUNTY MANAGER
400 COUNTY CTR, REDWOOD CITY CA 94063-1668

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 San Jose, CA
Regular School Nearby 05-08 San Jose, CA
Regular School Nearby 05-08 San Jose, CA
Regular School Nearby 05-08 San Jose, CA
Regular School Nearby 06-08 San Mateo, CA
Regular School Nearby KG-05 Cupertino, CA
Regular School Nearby 09-12 San Jose, CA
Regular School Nearby KG-05 San Jose, CA
Regular School Nearby KG-05 Palo Alto, CA
Regular School Nearby KG-05 Atherton, 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
Sofia University
College 1.9 mi away 1069 East Meadow Cr, Palo Alto, CA, 94303
6504934430
RINCONADA LIBRARY
Library 1.6 mi away 1213 NEWELL RD., PALO ALTO, CA, 94303
(650) 329-2436
Stanford University
College 3.5 mi away Stanford, CA, 94305
6507232300
EAST PALO ALTO LIBRARY
Library 1.7 mi away 2415 UNIVERSITY AVE., EAST PALO ALTO, CA, 94303
(833) 937-7625
Menlo College
College 4.2 mi away 1000 El Camino Real, Atherton, CA, 94027-4301
8005563656
PALO ALTO CHILDREN`S LIBRARY
Library 1.9 mi away 1276 HARRIET ST., PALO ALTO, CA, 94301
(650) 329-2436
Palo Alto University
College 6.6 mi away 1791 Arastradero Rd, Palo Alto, CA, 94304-1337
8008186136
MITCHELL PARK BRANCH
Library 2.4 mi away 3700 MIDDLEFIELD RD., PALO ALTO, CA, 94303
(650) 329-2436
Foothill College
College 6.7 mi away 12345 El Monte Rd, Los Altos Hills, CA, 94022
6509497777
PALO ALTO DOWNTOWN BRANCH
Library 2.6 mi away 270 FOREST AVE., PALO ALTO, CA, 94301
(650) 329-2436
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 PALO ALTO, CA US, located 1.7 miles from ZCTA5 94303. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 57.8° 39.0° 48.4° 2.95" 0.0"
February 60.7° 41.3° 51.0° 3.18" 0.0"
March 65.5° 43.6° 54.6° 2.19" 0.0"
April 69.6° 45.3° 57.4° 0.97" 0.0"
May 73.3° 49.5° 61.4° 0.44" 0.0"
June 78.5° 52.7° 65.6° 0.10" 0.0"
July 79.4° 55.7° 67.6° 0.00" 0.0"
August 78.7° 55.3° 67.0° 0.03" 0.0"
September 79.6° 53.0° 66.3° 0.07" 0.0"
October 74.0° 48.4° 61.2° 0.64" 0.0"
November 63.7° 42.5° 53.1° 1.60" 0.0"
December 57.6° 38.6° 48.1° 2.95" 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
East Palo Alto city City 1.2 mi —
Menlo Park city City 2.4 mi —
Stanford CDP CDP 3.6 mi —
Mountain View city City 4.5 mi —
Palo Alto city City 4.5 mi —
Atherton town Town 4.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 94303. • 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.