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Zip Code 94505 — Discovery Bay, CA

94505 is a ZIP Code associated with Discovery Bay, CA, located within Contra Costa. The postal region supports an estimated population of 14,970 residents across Data Pending housing units, with a population density of 346.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.866380, -121.586800)

Data MetricLocal Statistic
Postal / Zip Code94505
Primary CityDiscovery Bay
State / ProvinceCA
CountyContra Costa
Total Population14,970
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density346.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 94505 Compares

MetricZIP 94505Contra Costa CountyCA State Average
Population14,9701,171,36939,286,245
Median IncomeData PendingN/AN/A
Population Density346.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94514Byron3.6 mi1,953N/A
Zip 95391Tracy6.7 mi25,574N/A
Zip 94513Brentwood6.7 mi69,755N/A
Zip 94548Knightsen8.3 mi832N/A
Zip 95206Stockton9.8 mi68,558N/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 →