Decatur

Population

70,007 (2020)

Type

City

Area

43.22 sq mi (111.94 km²), 4.68 sq mi water

Median age

40.4

Households

36,991

Persons per household

2.3

Median household income

$46,587

Average house value

$88,668

Businesses

1,888

Employees

39,526

Government

CITY OF DECATUR

Government office

1 GARY K ANDERSON PLZ, DECATUR, IL 62523