Home > CA > Contra Costa County > Moraga > Zip 94556

Zip Code 94556 — Moraga, CA

94556 is a ZIP Code associated with Moraga, CA, located within Contra Costa. The postal region supports an estimated population of 15,998 residents across Data Pending housing units, with a population density of 320.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.831020, -122.104250)

Data MetricLocal Statistic
Postal / Zip Code94556
Primary CityMoraga
State / ProvinceCA
CountyContra Costa
Total Population15,998
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density320.4 people/sq mi
TimezoneAmerica/Los_Angeles

How 94556 Compares

MetricZIP 94556Contra Costa CountyCA State Average
Population15,9981,171,36939,286,245
Median IncomeData PendingN/AN/A
Population Density320.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94575Moraga0.8 mi975N/A
Zip 94516Canyon3.4 mi214N/A
Zip 94595Walnut Creek3.4 mi16,988N/A
Zip 94619Oakland4.0 mi26,831N/A
Zip 94549Lafayette4.9 mi28,420N/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 →