Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Clayton, CA

Clayton, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 94517StandardContra Costa12,385925

Timezone(s):Pacific (GMT -08:00)
Population:10,897 (More Details)
Male Population:5,262
Female Population:5,635
Median Age:45
ZIP Codes:1
Area Codes:1
Total Area:804 square miles (county)
Land Area:723 square miles (county)
Water Area:81 square miles (county)

Clayton, CA Demographic Information *

Total population10,897
Male population5,262
Female population5,635
Median age (years)45
White Population9,273
Black Population146
Indian Population34
Asian Population717
Hawaiian Population16
Hispanic Population982
Median age (Male)44.6
Median age (Female)45.4
Total households4,006
Family households (families)3,208
Average household size2.72
Average family size3.04
Total housing units4,086
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],