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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Monrovia, CA

Monrovia, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 91016StandardLos Angeles40,598
ZIP Code 91017P.O. BoxLos Angeles0

Timezone(s):Pacific (GMT -08:00)
Population:36,590 (More Details)
Male Population:17,489
Female Population:19,101
Median Age:38
ZIP Codes:2
Area Codes:1
Total Area:4,751 square miles (county)
Land Area:4,058 square miles (county)
Water Area:693 square miles (county)

Monrovia, CA Demographic Information *

Total population36,590
Male population17,489
Female population19,101
Median age (years)37.9
White Population21,932
Black Population2,500
Indian Population279
Asian Population4,107
Hawaiian Population76
Hispanic Population14,043
Median age (Male)35.9
Median age (Female)39.6
Total households13,762
Family households (families)9,146
Average household size2.65
Average family size3.24
Total housing units14,473
* Demographic data is based on 2010 Census. Products


  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],