Illinois

Provinces

Adams County
Alexander County
Bond County
Boone County
Brown County
Bureau County
Calhoun County
Carroll County
Cass County
Champaign County
Christian County
Clark County
Clay County
Clinton County
Coles County
Cook County
Crawford County
Cumberland County
De Witt County
DeKalb County
Douglas County
DuPage County
Edgar County
Edwards County
Effingham County
Fayette County
Ford County
Franklin County
Fulton County
Gallatin County
Greene County
Grundy County
Hamilton County
Hancock County
Hardin County
Henderson County
Henry County
Iroquois County
Jackson County
Jasper County
Jefferson County
Jersey County
Jo Daviess County
Johnson County
Kane County
Kankakee County
Kendall County
Knox County
LaSalle County
Lake County
Lawrence County
Lee County
Livingston County
Logan County
Macon County
Macoupin County
Madison County
Marion County
Marshall County
Mason County
Massac County
McDonough County
McHenry County
McLean County
Menard County
Mercer County
Monroe County
Montgomery County
Morgan County
Moultrie County
Ogle County
Peoria County
Perry County
Piatt County
Pike County
Pope County
Pulaski County
Putnam County
Randolph County
Richland County
Rock Island County
Saint Clair County
Saline County
Sangamon County
Schuyler County
Scott County
Shelby County
Stark County
Stephenson County
Tazewell County
Union County
Vermilion County
Wabash County
Warren County
Washington County
Wayne County
White County
Whiteside County
Will County
Williamson County
Winnebago County
Woodford County

Region information

Region: Illinois
Population: 12,772,888 inhabitants (Last modified: 25/08/2011 )
Time Zone: America/Chicago
GMT/UTC: -6  hours
DST: -5  hours


*GMT/UTC - Standard Time Zone
*DST - Daylight Saving Time

Geographic information

Latitude in decimal degrees: 40.00032
Longitude in decimal degrees: -89.25037
Latitude in degrees, minutes, and seconds: 40° 0' 1" North
Longitude in degrees, minutes, and seconds: 89° 15' 1" West
Height above sea level: 190 m,   623.36 ft,   7480.32 in
Geographical feature: A (Administrative region type feature)
Feature designation code: A.ADM1 (first-order administrative division)


*first-order administrative division - a primary administrative division of a country, such as a state in the United States

Cities in region

Chicago
Aurora
Rockford
Joliet
Naperville
Springfield
Peoria
North Peoria
Elgin
Waukegan
Cicero
Champaign
Bloomington
Decatur
Arlington Heights
Evanston
Schaumburg
Bolingbrook
Palatine
Skokie
Des Plaines
Orland Park
Tinley Park
Oak Lawn
Berwyn
Mount Prospect
Wheaton
Normal
Hoffman Estates
Oak Park
Downers Grove
Glenview
Belleville
Elmhurst
DeKalb
Moline
Lombard
Buffalo Grove
Urbana
Bartlett