Home > CA > Contra Costa County > El Sobrante > Zip 94803

Zip Code 94803 — El Sobrante, CA

94803 is a ZIP Code associated with El Sobrante, CA, located within Contra Costa. The postal region supports an estimated population of 27,659 residents across Data Pending housing units, with a population density of 833.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.956830, -122.282350)

Data MetricLocal Statistic
Postal / Zip Code94803
Primary CityEl Sobrante
State / ProvinceCA
CountyContra Costa
Total Population27,659
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density833.1 people/sq mi
TimezoneAmerica/Los_Angeles

How 94803 Compares

MetricZIP 94803Contra Costa CountyCA State Average
Population27,6591,171,36939,286,245
Median IncomeData PendingN/AN/A
Population Density833.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94564Pinole2.3 mi18,761N/A
Zip 94805Richmond2.5 mi14,670N/A
Zip 94530El Cerrito2.7 mi26,401N/A
Zip 94806San Pablo3.3 mi62,546N/A
Zip 94547Hercules3.6 mi26,302N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →