Explore Illinois

Welcome to Illinois

Illinois is the most populous and demographically diverse Midwestern state and the fifth most populous state in the nation. It has industrial cities, great agricultural productivity in central and western Illinois, and natural resources like coal, timber, and petroleum in the south.

More than half of the population of Illinois resides in the northeastern corner of the state, primarily within the city of Chicago and the surrounding area. The city of Rockford is the second largest metropolitan area and the state's third largest city, Peoria, is approximately 75 miles (121 km) northwest of Chicago. Springfield is the state capital.

Most of Illinois has a humid continental climate, with hot, humid summers and cool to cold winters.

Explore one of our community websites in Illinois

Abingdon Addison Albany
Albers Albion Alexis
Algonquin Alsip Altamont
Alton Amboy Annawan
Antioch Apple River Arcola
Argenta Arlington Heights Arthur
Ashland Ashton Assumption
Atkinson Atwood Auburn
Augusta Aurora Ava
Avon Barrington Bartlett
Batavia Beardstown Beecher
Beecher City Belleville Bellwood
Belvidere Benld Bensenville
Benson Benton Berkeley
Berwyn Bethalto Bishop Hill
Blandinsville Bloomingdale Bloomington
Blue Island Bolingbrook Bourbonnais
Bradford Bradley Braidwood
Breese Bridgeview Brighton
Brimfield Broadview Brookfield
Brookport Buffalo Grove Bunker Hill
Burbank Bushnell Byron
Cairo Calumet City Calumet Park
Cambridge Canton Carbondale
Carlinville Carlyle Carmi
Carol Stream Carpentersville Carrier Mills
Carrollton Carterville Carthage
Cary Caseyville Catlin
Centralia Champaign Charleston
Chatham Chatsworth Cherry Valley
Chester Chicago Chicago Heights
Chicago Ridge Chillicothe Chrisman
Christopher Cicero Cissna Park
Clarendon Hills Clayton Clinton
Coal City Coffeen Colchester
Collinsville Columbia Cordova
Cornell Cortland Coulterville
Crest Hill Creston Crestwood
Crete Creve Coeur Crystal Lake
Cullom Danville Darien
De Land Decatur Deerfield
Dekalb Delavan Des Plaines
Divernon Dixon Dolton
Downers Grove Du Quoin Dunlap
Dupo Dwight East Dubuque
East Dundee East Moline East Peoria
East Saint Louis Edwardsville Effingham
El Paso Eldorado Elgin
Elk Grove Village Elkhart Elkville
Ellis Grove Elmhurst Elmwood Park
Erie Eureka Evanston
Evansville Evergreen Park Fairbury
Fairfield Fairview Heights Farmer City
Farmersville Farmington Flora
Flossmoor Ford Heights Forest Park
Forreston Fox Lake Fox River Grove
Frankfort Franklin Grove Franklin Park
Freeburg Freeport Fulton
Galatia Galena Galesburg
Galva Geneseo Geneva
Genoa Germantown Gillespie
Gilman Girard Glen Carbon
Glen Ellyn Glencoe Glendale Heights
Glenview Glenwood Godfrey
Granite City Grant Park Grayslake
Grayville Greenfield Greenville
Groveland Hamilton Hammond
Hampshire Hanover Hanover Park
Harrisburg Hartford Harvard
Harvey Harwood Heights Havana
Hazel Crest Hebron Hecker
Herrin Highland Highland Park
Hillside Hinsdale Hoffman Estates
Homewood Hoopeston Huntley
Ingleside Jacksonville Joliet
Kankakee Lagrange Lake Forest
Lake Zurich Lanark Lansing
Lawrenceville Le Roy Leaf River
Lemont Lewistown Libertyville
Lincoln Lindenhurst Lisle
Lockport Lombard Loves Park
Lyons Mahomet Manteno
Maple Park Marion Markham
Marseilles Maryville Matteson
Mattoon Mchenry Melrose Park
Melvin Mendota Metropolis
Midlothian Milan Minonk
Mokena Moline Monmouth
Monticello Morris Mount Carroll
Mount Sterling Mount Vernon Mt Zion
Mundelein Murphysboro Naperville
New Holland Newark Normal
Norridge Northbrook Oak Brook
Oak Forest Oak Lawn Oak Park
Oakbrook Terrace Oakwood Okawville
Olney Oregon Oswego
Palatine Palestine Palos Hills
Pana Paris Park Forest
Park Ridge Peoria Peoria Heights
Peru Plainfield Plano
Pleasant Plains Princeton Prospect Heights
Quincy Rantoul River Grove
Riverside Robinson Rochelle
Rochester Rock Island Rockford
Rolling Mdws Romeoville Roselle
Rosemont Saint Charles Savoy
Saybrook Schaumburg Schiller Park
Shabbona Shorewood Skokie
South Barrington Sparta Spring Valley
Springfield Staunton Sterling
Streamwood Sugar Grove Sullivan
Swansea Taylorville Tolono
Union Urbana Utica
Vandalia Vernon Hills Villa Grove
Virden Virginia Warrensburg
Warrenville Waterloo Waterman
Watseka Wauconda Waukegan
Wenona West Chicago West Dundee
West Frankfort Westmont Wheaton
Wheeling Whittington Wilmette
Wilmington Winchester Winnebago
Wonder Lake Wood River Woodstock