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City Profile

Walnut Creek, California

Population: 70,127 · 4 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
70,127
People
Median age
46.8
Housing
Total households
33,072
Income
Median household income
$130,432
Housing
Total housing units
34,389
Employment
Employment rate
55.5%
Education
Bachelor’s degree or higher
70.4%
Healthcare
Insured population
97.7%
City details
Local time 23:10:18(PT)
LocationWalnut Creek, CA
Population (ZIP areas)91,064(sum of local ZIP code populations)
Total ZIP codes4total
ZIP codes (by type)
4 Standard
CountyContra Costa
Area code
TimezonePacific Time (PT)
Coordinates37.90579013589406, -122.03286601346628
Land area35.9 sq miles(93,103,785 m²)

Map of Walnut Creek, California with ZIP codes

Map of Walnut Creek, California and ZIP codes

ZIP Codes in Walnut Creek

Explore the ZIP codes that make up Walnut Creek. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
94595Standard$100,55217,716
94596Standard$135,63522,861
94597Standard$132,06323,661
94598Standard$186,22526,826

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Walnut Creek, CA.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS