Grayslake

Population

20,584 (2020)

Type

Village

Area

10.89 sq mi (28.2 km²), 0.22 sq mi water

Median age

39.1

Households

13,638

Persons per household

2.6

Median household income

$87,449

Average house value

$212,000

Businesses

862

Employees

7,313

Government

VILLAGE OF GRAYSLAKE

Government office

10 SOUTH SEYMOUR, GRAYSLAKE, IL 60030