ZIP Code 94028, California
ZIP Code 94028 profile, demographic data, and geographic information.
ZCTA5 94028 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 6,531. The land area covers 17.32 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 6,531 | ±600 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 57.2 yrs | ±5.8 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 2,637 | ±260 | 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 | 2,808 | ±283 |
| Occupied Housing Units | 2,637 | ±260 |
| Vacant Housing Units | 171 | ±130 |
| Median Home Value | $2,000,000+ | — |
| Median Gross Rent | $3,500+ | — |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $250,000+ | — |
| Per Capita Income | $175,395 | ±$24,673 |
| Poverty Rate | 4.4% | ±3.3% |
| Population Below Poverty Level | 284 | ±214 |
| Unemployment Rate | 4.3% | ±3% |
| Civilian Labor Force, Employed | 2,744 | ±560 |
| Broadband Internet Rate | 97.5% | ±2.4% |
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 | 06-08 | San Mateo, CA | |
| Regular School Nearby | KG-05 | Cupertino, CA | |
| Regular School Nearby | KG-05 | Palo Alto, CA | |
| Regular School Nearby | KG-05 | Atherton, CA | |
| Regular School Nearby | 09-12 | Santa Clara, CA | |
| Regular School Nearby | KG-06 | Los Altos, CA | |
| Regular School Nearby | KG-05 | Los Gatos, CA | |
| Alternative School Nearby | 09-12 | Mountain View, CA | |
| Regular School Nearby | KG-05 | Half Moon Bay, CA | |
| Regular School Nearby | 09-12 | Fremont, 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 |
|---|---|---|---|---|
|
Palo Alto University
|
College | 1.5 mi away | 1791 Arastradero Rd, Palo Alto, CA, 94304-1337 |
8008186136
|
|
PORTOLA VALLEY LIBRARY
|
Library | 1.1 mi away | 765 PORTOLA ROAD, PORTOLA VALLEY, CA, 94028 |
(833) 937-7625
|
|
Stanford University
|
College | 4.5 mi away | Stanford, CA, 94305 |
6507232300
|
|
WOODSIDE LIBRARY
|
Library | 4.5 mi away | 3140 WOODSIDE RD., WOODSIDE, CA, 94062 |
(833) 937-7625
|
|
Foothill College
|
College | 4.7 mi away | 12345 El Monte Rd, Los Altos Hills, CA, 94022 |
6509497777
|
|
COLLEGE TERRACE LIBRARY
|
Library | 4.8 mi away | 2300 WELLESLEY ST., PALO ALTO, CA, 94306 |
(650) 329-2436
|
|
Foothill-De Anza Community College District
|
College | 4.7 mi away | 12345 El Monte Rd, Los Altos Hills, CA, 94022-4599 |
6509496106
|
|
LOS ALTOS LIBRARY
|
Library | 5.5 mi away | 13 S. SAN ANTONIO RD., LOS ALTOS, CA, 94022 |
(650) 948-7683
|
|
Menlo College
|
College | 5.6 mi away | 1000 El Camino Real, Atherton, CA, 94027-4301 |
8005563656
|
|
PALO ALTO DOWNTOWN BRANCH
|
Library | 5.6 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 SKYLINE RIDGE PRESERVE, CA US, located 4.5 miles from ZCTA5 94028. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 54.7° | 40.9° | 47.8° | 7.77" | — |
| February | 55.1° | 40.3° | 47.7° | 7.97" | — |
| March | 58.4° | 41.3° | 49.8° | 6.32" | — |
| April | 61.6° | 42.6° | 52.1° | 3.37" | — |
| May | 66.9° | 47.2° | 57.0° | 1.29" | — |
| June | 75.2° | 52.0° | 63.6° | 0.42" | — |
| July | 80.6° | 57.7° | 69.2° | 0.04" | — |
| August | 80.9° | 58.5° | 69.7° | 0.11" | — |
| September | 78.9° | 57.1° | 68.0° | 0.18" | — |
| October | 71.0° | 51.7° | 61.4° | 1.73" | — |
| November | 60.4° | 44.4° | 52.4° | 4.60" | — |
| December | 53.8° | 40.1° | 47.0° | 8.41" | — |
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 |
|---|---|---|---|
| Portola Valley town | Town | 1.3 mi | — |
| Ladera CDP | CDP | 1.9 mi | — |
| Los Altos Hills town | Town | 4.1 mi | — |
| Palo Alto city | City | 4.1 mi | — |
| West Menlo Park CDP | CDP | 4.1 mi | — |
| Woodside town | Town | 4.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 94028. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.