ZIP Code 94027, California
ZIP Code 94027 profile, demographic data, and geographic information.
ZCTA5 94027 is a 5-digit ZIP Code area located in San Mateo County, California. As of official census estimates, it has a reported population of 7,002. The land area covers 5.03 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 7,002 | ±25 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 49.1 yrs | ±2.7 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 2,236 | ±129 | 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 | 2,676 | ±177 |
| Occupied Housing Units | 2,236 | ±129 |
| Vacant Housing Units | 440 | ±140 |
| 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 | $188,761 | ±$22,192 |
| Poverty Rate | 5.3% | ±3.4% |
| Population Below Poverty Level | 340 | ±219 |
| Unemployment Rate | 3.2% | ±1.9% |
| Civilian Labor Force, Employed | 2,763 | ±252 |
| Broadband Internet Rate | 97.6% | ±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 | San Jose, CA | |
| Regular School Nearby | KG-05 | Palo Alto, CA | |
| Regular School Nearby | KG-05 | Atherton, CA | |
| Regular School Nearby | 09-12 | Santa Clara, CA | |
| Alternative School Nearby | KG-12 | Hayward, CA | |
| Special Education School Nearby | M | Hayward, CA | |
| Regular School Nearby | KG-05 | San Bruno, CA | |
| Regular School Nearby | KG-06 | Los Altos, 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 |
|---|---|---|---|---|
|
Menlo College
|
College | 0.6 mi away | 1000 El Camino Real, Atherton, CA, 94027-4301 |
8005563656
|
|
ATHERTON LIBRARY
|
Library | 0.6 mi away | 2 DINKELSPIEL STATION LANE, ATHERTON, CA, 94027 |
(833) 937-7625
|
|
Stanford University
|
College | 2.6 mi away | Stanford, CA, 94305 |
6507232300
|
|
MENLO PARK PUBLIC LIBRARY
|
Library | 1.2 mi away | 800 ALMA ST., MENLO PARK, CA, 94025 |
(650) 330-2500
|
|
Alder Graduate School of Education
|
College | 2.9 mi away | 2946 Broadway, Redwood City, CA, 94062 |
6503623997
|
|
NORTH FAIR OAKS LIBRARY
|
Library | 1.7 mi away | 2510 MIDDLEFIELD RD, REDWOOD CITY, CA, 94063 |
(833) 937-7625
|
|
Canada College
|
College | 3.5 mi away | 4200 Farm Hill Blvd., Redwood City, CA, 94061-1099 |
6503063100
|
|
SCHABERG BRANCH LIBRARY
|
Library | 2.4 mi away | 2140 EUCLID AVE., REDWOOD CITY, CA, 94061 |
(650) 780-7010
|
|
Palo Alto University
|
College | 5.2 mi away | 1791 Arastradero Rd, Palo Alto, CA, 94304-1337 |
8008186136
|
|
REDWOOD CITY PUBLIC LIBRARY
|
Library | 2.4 mi away | 1044 MIDDLEFIELD ROAD, REDWOOD CITY, CA, 94063 |
(650) 780-7061
|
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 REDWOOD CITY, CA US, located 2.5 miles from ZCTA5 94027. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 58.9° | 40.5° | 49.7° | 3.81" | 0.0" |
| February | 61.9° | 42.5° | 52.2° | 3.65" | 0.0" |
| March | 65.3° | 44.6° | 54.9° | 3.02" | 0.0" |
| April | 68.5° | 46.5° | 57.5° | 1.15" | 0.0" |
| May | 72.9° | 50.4° | 61.6° | 0.46" | 0.0" |
| June | 78.8° | 53.6° | 66.2° | 0.16" | 0.0" |
| July | 81.0° | 56.6° | 68.8° | 0.00" | 0.0" |
| August | 80.8° | 56.5° | 68.7° | 0.04" | 0.0" |
| September | 79.3° | 54.3° | 66.8° | 0.07" | 0.0" |
| October | 74.6° | 49.8° | 62.2° | 0.87" | 0.0" |
| November | 64.7° | 43.9° | 54.3° | 1.87" | 0.0" |
| December | 58.6° | 40.2° | 49.4° | 3.92" | 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 |
|---|---|---|---|
| Atherton town | Town | 0.0 mi | — |
| North Fair Oaks CDP | CDP | 1.3 mi | — |
| West Menlo Park CDP | CDP | 1.6 mi | — |
| Stanford CDP | CDP | 2.7 mi | — |
| Menlo Park city | City | 3.3 mi | — |
| Emerald Lake Hills CDP | CDP | 3.6 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 94027. • 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.