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City Profile

Lake Forest, Illinois

Population: 19,367 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
19,367
People
Median age
46.1
Housing
Total households
6,900
Income
Median household income
$235,081
Housing
Total housing units
7,282
Employment
Employment rate
53.1%
Education
Bachelor’s degree or higher
80.5%
Healthcare
Insured population
98.2%
City details
Local time 02:46:25(CT)
LocationLake Forest, IL
Population (ZIP areas)21,026(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyLake
Area code
224847
TimezoneCentral Time (CT)
Coordinates42.2386728, -87.8670825
Land area21.3 sq miles(55,197,014 m²)

Map of Lake Forest, Illinois with ZIP codes

Map of Lake Forest, Illinois and ZIP codes

ZIP Codes in Lake Forest

Explore the ZIP codes that make up Lake Forest. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
60045Standard$233,12521,026

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Lake Forest, IL.

Lake Bluff, ILHighwood, ILLincolnshire, ILDeerfield, ILVernon Hills, ILHighland Park, ILGreat Lakes, ILLibertyville, IL

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS