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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Cotati, CA

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Counties:SONOMA, CA
Area Code(s):707
Timezone(s):Pacific (GMT -08:00)
City Population:7,265 (More Details)
CBSA:Santa Rosa-Petaluma, CA
Congressional District(s):02, 04, 05
Land Area:1,576 square miles (county)
Water Area:192 square miles (county)

4 ZIP Codes

Cotati, CA ZIP Code Boundaries

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Cotati, CA Covers 4 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
94927P.O. Box00.00%COTATI

Cotati, CA Demographic Information *

Total population**7,265
Male population3,452
Female population3,813
Median age (years)36.2
White Population5,929
Black Population122
Indian Population75
Asian Population283
Hawaiian Population30
Hispanic Population1,255
Median age (Male)34.7
Median age (Female)37.7
Total households2,978
Family households (families)1,774
Average household size2.44
Average family size2.97
Total housing units3,143
* Demographic data is based on 2010 Census for the City of COTATI.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],