ZIP Code 94503, California
ZIP Code 94503 profile, demographic data, and geographic information.
ZCTA5 94503 is a 5-digit ZIP Code area located in Napa County / Solano County, California. As of official census estimates, it has a reported population of 21,841. The land area covers 27.02 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 21,841 | ±124 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 37 yrs | ±2.4 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 6,063 | ±270 | 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 | 6,206 | ±268 |
| Occupied Housing Units | 6,063 | ±270 |
| Vacant Housing Units | 143 | ±136 |
| Median Home Value | $697,400 | ±$32,500 |
| Median Gross Rent | $2,524 | ±$260 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $121,088 | ±$11,493 |
| Per Capita Income | $43,261 | ±$3,277 |
| Poverty Rate | 9.4% | ±2.3% |
| Population Below Poverty Level | 2,049 | ±493 |
| Unemployment Rate | 5.6% | ±1.2% |
| Civilian Labor Force, Employed | 10,864 | ±406 |
| Broadband Internet Rate | 95.7% | ±5.9% |
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: 132,727 (2024)
ID: 161107
|
County | Official County Government |
Contact: CHAIR
1195 THIRD ST, STE 310, NAPA CA 94559-3035
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | 06-08 | Sonoma, CA | |
| Regular School Nearby | KG-06 | Vacaville, CA | |
| Regular School Nearby | 09-12 | Martinez, CA | |
| Regular School Nearby | KG-05 | Napa, CA | |
| Regular School Nearby | 06-08 | Sonoma, CA | |
| Regular School Nearby | 09-12 | American Canyon, CA | |
| Regular School Nearby | 06-08 | American Canyon, CA | |
| Regular School Nearby | 09-12 | Fairfield, CA | |
| Regular School Nearby | KG-05 | Fairfield, CA | |
| Regular School Nearby | KG-06 | Vallejo, 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 |
|---|---|---|---|---|
|
Hinton Barber and Beauty College
|
College Vocational | 5.5 mi away | 1035 Tennessee St., Vallejo, CA, 94590 |
7076472800
|
|
AMERICAN CANYON
|
Library | 2.1 mi away | 3421 BROADWAY/HWY 29, STE. E-3, AMERICAN CANYON, CA, 94503 |
(707) 644-1136
|
|
InterCoast Colleges-Fairfield
|
College Vocational | 6.1 mi away | 320 Campus Ln Suite C, Fairfield, CA, 94534 |
7074219700
|
|
FAIRFIELD CORDELIA LIBRARY
|
Library | 4.8 mi away | 5050 BUSINESS CENTER DR., FAIRFIELD, CA, 94534 |
(866) 572-7587
|
|
Solano Community College
|
College | 6.4 mi away | 4000 Suisun Valley Rd, Fairfield, CA, 94534-3197 |
7078647000
|
|
SPRINGSTOWNE LIBRARY
|
Library | 5.8 mi away | 1003 OAKWOOD AVE., VALLEJO, CA, 94591 |
(866) 572-7587
|
|
Napa Valley College
|
College | 6.6 mi away | 2277 Napa-Vallejo Hwy, Napa, CA, 94558-6236 |
7072567000
|
|
JOHN F. KENNEDY LIBRARY
|
Library | 6.3 mi away | 505 SANTA CLARA ST., VALLEJO, CA, 94590 |
(866) 572-7587
|
|
Touro University California
|
College | 7.4 mi away | 1310 Club Drive, Vallejo, CA, 94592 |
7076385276
|
|
NAPA MAIN LIBRARY
|
Library | 8.1 mi away | 580 COOMBS ST., NAPA, CA, 94559 |
(707) 253-4241
|
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 NAPA CO AP, CA US, located 3.7 miles from ZCTA5 94503. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 56.9° | 38.2° | 47.6° | 4.17" | — |
| February | 60.9° | 40.0° | 50.4° | 3.95" | — |
| March | 64.2° | 41.7° | 53.0° | 3.01" | — |
| April | 68.1° | 43.5° | 55.8° | 1.26" | — |
| May | 73.1° | 47.8° | 60.5° | 0.80" | — |
| June | 78.3° | 51.8° | 65.1° | 0.22" | — |
| July | 78.7° | 54.8° | 66.7° | 0.01" | — |
| August | 80.0° | 54.4° | 67.2° | 0.02" | — |
| September | 80.3° | 51.0° | 65.7° | 0.07" | — |
| October | 75.4° | 45.9° | 60.6° | 0.93" | — |
| November | 65.1° | 40.4° | 52.7° | 1.97" | — |
| December | 57.3° | 37.6° | 47.5° | 3.82" | — |
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 |
|---|---|---|---|
| American Canyon city | City | 2.0 mi | — |
| Vallejo city | City | 6.0 mi | — |
| Green Valley CDP | CDP | 6.4 mi | — |
| Napa city | City | 8.6 mi | — |
| Benicia city | City | 8.8 mi | — |
| Crockett CDP | CDP | 9.4 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 94503. • 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.