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 Piedmont, CA

Piedmont, CA Covers 5 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 94602StandardAlameda28,329341 / 510
ZIP Code 94610StandardAlameda29,287510 / 415 / 341
ZIP Code 94611StandardAlameda36,565341 / 510
ZIP Code 94618StandardAlameda16,046341 / 510
ZIP Code 94620P.O. BoxAlameda0341 / 415 / 510 / 925

Timezone(s):Pacific (GMT -08:00)
Counties:ALAMEDA, CA
Population:10,667 (More Details)
Male Population:5,188
Female Population:5,479
Median Age:46
ZIP Codes:5
Area Codes:4
Total Area:821 square miles (county)
Land Area:739 square miles (county)
Water Area:82 square miles (county)

Piedmont, CA Demographic Information *

Total population10,667
Male population5,188
Female population5,479
Median age (years)46.2
White Population7,917
Black Population144
Indian Population6
Asian Population1,939
Hawaiian Population13
Hispanic Population421
Median age (Male)45.6
Median age (Female)46.7
Total households3,801
Family households (families)3,117
Average household size2.81
Average family size3.11
Total housing units3,924
* 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],