Home > CA > Contra Costa County > Walnut Creek > Zip 94595

Zip Code 94595 — Walnut Creek, CA

94595 is a ZIP Code associated with Walnut Creek, CA, located within Contra Costa. The postal region supports an estimated population of 16,988 residents across Data Pending housing units, with a population density of 1,256.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.872060, -122.068920)

Data MetricLocal Statistic
Postal / Zip Code94595
Primary CityWalnut Creek
State / ProvinceCA
CountyContra Costa
Total Population16,988
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,256.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 94595 Compares

MetricZIP 94595Contra Costa CountyCA State Average
Population16,9881,171,36939,286,245
Median IncomeData PendingN/AN/A
Population Density1,256.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94596Walnut Creek2.1 mi23,417N/A
Zip 94575Moraga3.0 mi975N/A
Zip 94597Walnut Creek3.2 mi23,129N/A
Zip 94549Lafayette3.4 mi28,420N/A
Zip 94556Moraga3.4 mi15,998N/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 →