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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Signal Hill, CA

Signal Hill, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 90755StandardLos Angeles11,074562
ZIP Code 90807StandardLos Angeles31,481562 / 714 / 657

Timezone(s):Pacific (GMT -08:00)
Population:11,016 (More Details)
Male Population:5,434
Female Population:5,582
Median Age:36
ZIP Codes:2
Area Codes:3
Total Area:4,751 square miles (county)
Land Area:4,058 square miles (county)
Water Area:693 square miles (county)

Signal Hill, CA Demographic Information *

Total population11,016
Male population5,434
Female population5,582
Median age (years)36
White Population4,650
Black Population1,502
Indian Population83
Asian Population2,245
Hawaiian Population135
Hispanic Population3,472
Median age (Male)35.7
Median age (Female)36.4
Total households4,157
Family households (families)2,498
Average household size2.64
Average family size3.33
Total housing units4,389
* 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],