Lake Forest

Population

19,379 (2020)

Type

City

Area

17.2 sq mi (44.55 km²), 0.07 sq mi water

Median age

45.3

Households

7,278

Persons per household

2.7

Median household income

$171,913

Average house value

$840,200

Businesses

966

Employees

26,536

Government

CITY OF LAKE FOREST

Government office

220 E DEERPATH, LAKE FOREST, IL 60045