Demographic Data

Counties

Cook and DuPage

Incorporation

July 17, 1956 with a population of 116

Land Area

10.9 Square Miles

(Residential 5.5 Square Miles)

(Industrial 5.4 Square Miles)

Population

34,727 (2000 Census)

Number of Registered Voters

19,049

Median Age of Resident

37.8 years

Average Persons Per Household

2.60 persons

Median Family Income

$71,618/year (est.)

Bond Rating (Moody's)

Aa 1

Motor Vehicles Registered

3,697 Trucks

19,641 Automobiles

311 Motorcycles

25 Recreation Vehicles

Average Temperatures

67.2 F Summer

30.4 F Winter

Average Annual Rainfall

31.7"

Average Annual Snowfall

39.0"

Elevation above Sea Level

(Avg.) 700 ft.

(Min.) 660 ft.

(Max.) 740 ft.