Collinsville

Population

24,217 (2020)

Type

City

Area

15.08 sq mi (39.05 km²), 0.19 sq mi water

Median age

37.4

Households

13,864

Persons per household

2.4

Median household income

$55,663

Average house value

$137,800

Businesses

668

Employees

7,937

Government

CITY OF COLLINSVILLE

Government office

125 S CENTER ST, COLLINSVILLE, IL 62234