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

19,505

Median Age of Resident

37.7 years

Average Persons Per Household

2.60 persons

Median Family Income

$71,834/year (est.)

Bond Rating (Moody's)

Aa 1

Motor Vehicles Registered

3,682 Trucks

19,132 Automobiles

319 Motorcycles

29 Recreation Vehicles

Average Temperatures

74.8 F Summer

42.0 F Winter

Average Annual Rainfall

35.4"

Average Annual Snowfall

39.0"

Elevation above Sea Level

(Avg.) 700 ft.

(Min.) 660 ft.

(Max.) 740 ft.