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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Winnetka, CA

Winnetka, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 91306StandardLos Angeles45,061818 / 747
ZIP Code 91396P.O. BoxLos Angeles0818 / 747

Timezone(s):Pacific (GMT -08:00)
Population:45,061 (More Details)
Male Population:22,679
Female Population:22,382
Median Age:35
ZIP Codes:2
Area Codes:2
Total Area:4,751 square miles (county)
Land Area:4,058 square miles (county)
Water Area:693 square miles (county)

Winnetka, CA Demographic Information *

There is no Census data for the city of WINNETKA, CA. We have pulled information for the ZIP Code 91306 instead.
Total population45,061
Male population22,679
Female population22,382
Median age (years)35.4
White Population22,146
Black Population2,083
Indian Population263
Asian Population8,048
Hawaiian Population55
Hispanic Population21,370
Median age (Male)34
Median age (Female)36.7
Total households13,635
Family households (families)10,324
Average household size3.28
Average family size3.64
Total housing units14,389
* 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],