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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2021

ZIP Codes for City of Lake Forest, IL

Lake Forest, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 60045StandardLake20,925847 / 224

Timezone(s):Central (GMT -06:00)
Counties:LAKE, IL
Population:19,375 (More Details)
Male Population:9,344
Female Population:10,031
Median Age:46
ZIP Codes:1
Area Codes:2
Total Area:1,368 square miles (county)
Land Area:444 square miles (county)
Water Area:925 square miles (county)

Lake Forest, IL Demographic Information *

Total population19,375
Male population9,344
Female population10,031
Median age (years)45.5
White Population17,846
Black Population213
Indian Population28
Asian Population904
Hawaiian Population1
Hispanic Population542
Median age (Male)45
Median age (Female)46
Total households6,763
Family households (families)5,247
Average household size2.68
Average family size3.11
Total housing units7,444
* Demographic data is based on 2010 Census.

Lake Forest, IL Other Information

  • Located in LAKE County, Illinois
  • Lake Forest, IL is also known as:

160 Cities within 30 miles of Lake Forest, IL Products


  1. U.S. Postal Service [Last Updated: 12/1/2021],
  2. Internal Data Creation [Last Updated: 12/1/2021],
  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],