Home > CA > Contra Costa County > Concord > Zip 94520

Zip Code 94520 — Concord, CA

94520 is a ZIP Code associated with Concord, CA, located within Contra Costa. The postal region supports an estimated population of 37,381 residents across Data Pending housing units, with a population density of 1,462.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.993440, -122.035320)

Data MetricLocal Statistic
Postal / Zip Code94520
Primary CityConcord
State / ProvinceCA
CountyContra Costa
Total Population37,381
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,462.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 94520 Compares

MetricZIP 94520Contra Costa CountyCA State Average
Population37,3811,171,36939,286,245
Median IncomeData PendingN/AN/A
Population Density1,462.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94519Concord1.3 mi19,058N/A
Zip 94518Concord3.1 mi27,345N/A
Zip 94523Pleasant Hill3.5 mi34,592N/A
Zip 94521Concord4.5 mi41,909N/A
Zip 94597Walnut Creek5.6 mi23,129N/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 →