Northern Illinois

Counties

Boone
Bureau
Carroll
Cook
DeKalb
Dupage
Grundy
Henry
Jo Daviess
Kane
Kendall
Lake
LaSalle
Lee
McHenry
Mercer
Ogle
Putnam
Rock Island
Stephenson
Whiteside
Will
Winnebago

State of Illinois

Springfield (capital)

Topics	Index Buildings and structures Communications Culture Delegations Economy Education Environment Geography Government Health History Music People Politics Portal Society Sports Tourism Transportation Windmills

Regions	American Bottom Central Illinois Champaign–Urbana metropolitan area Chicago metropolitan area Driftless Area Forgottonia Fox Valley Illinois–Indiana–Kentucky Tri-State Area Metro East Mississippi Alluvial Plain North Shore Northern Illinois Northwestern Illinois Peoria metropolitan area Quad Cities River Bend Rockford metropolitan area Southern Illinois Streatorland Wabash Valley

Cities, towns and villages	Alton/Granite City/Edwardsville Arlington Heights/Palatine Aurora/Naperville/Oswego/Plainfield Bartlett/Hanover Park/Streamwood Belleville/East St. Louis/Collinsville/O'Fallon Berwyn/Cicero Bloomington/Normal Bolingbrook/Romeoville Buffalo Grove/Wheeling Calumet City Canton Carbondale Carol Stream/Glendale Heights Centralia Champaign/Urbana Charleston/Mattoon Chicago Chicago Heights Crystal Lake/Algonquin Danville Decatur DeKalb/Sycamore Des Plaines/Mount Prospect/Park Ridge Dixon Downers Grove/Woodridge Effingham Elgin/Carpentersville Elmhurst/Lombard/Addison Evanston/Skokie Freeport Galesburg Glenview/Northbrook Harrisburg Jacksonville Joliet Kankakee/Bradley/Bourbonnais Lincoln Macomb Marion/Herrin Moline/East Moline/Rock Island Mount Vernon Mundelein Oak Lawn Oak Park Orland Park/Tinley Park Ottawa/Streator/LaSalle/Peru Peoria/Pekin/East Peoria/Morton Pontiac Quincy Rochelle Rockford/Belvidere/Machesney Park/Loves Park St. Charles Schaumburg/Hoffman Estates/Elk Grove Village Springfield Sterling/Rock Falls Taylorville Waukegan/North Chicago/Gurnee Wheaton

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

Chicago metropolitan area

Major city	Chicago

Cities (over 30,000 in 2010)	Aurora, Illinois Berwyn, Illinois Calumet City, Illinois Chicago Heights, Illinois Crystal Lake, Illinois Des Plaines, Illinois Elgin, Illinois Elmhurst, Illinois Evanston, Illinois Gary, Indiana Hammond, Indiana Joliet, Illinois Kenosha, Wisconsin Naperville, Illinois North Chicago, Illinois Park Ridge, Illinois Portage, Indiana St. Charles, Illinois Valparaiso, Indiana Waukegan, Illinois Wheaton, Illinois

Towns and villages (over 30,000 in 2010)	Addison, Illinois Algonquin, Illinois Arlington Heights, Illinois Bartlett, Illinois Bolingbrook, Illinois Buffalo Grove, Illinois Carol Stream, Illinois Carpentersville, Illinois Cicero, Illinois Downers Grove, Illinois Elk Grove Village, Illinois Glendale Heights, Illinois Glenview, Illinois Gurnee, Illinois Hanover Park, Illinois Hoffman Estates, Illinois Lombard, Illinois Merrillville, Indiana Mount Prospect, Illinois Mundelein, Illinois Northbrook, Illinois Oak Lawn, Illinois Oak Park, Illinois Orland Park, Illinois Palatine, Illinois Plainfield, Illinois Romeoville, Illinois Schaumburg, Illinois Skokie, Illinois Streamwood, Illinois Tinley Park, Illinois Wheeling, Illinois Woodridge, Illinois

Counties	Cook County, Illinois DuPage County, Illinois Jasper County, Indiana Kane County, Illinois Kenosha County, Wisconsin Lake County, Illinois Lake County, Indiana McHenry County, Illinois Newton County, Indiana Porter County, Indiana Walworth County, Wisconsin Will County, Illinois

Regions	Great Lakes Northern Illinois Northern Indiana Southern Wisconsin

Sub-regions	Chicago Southland Eastern Ridges and Lowlands Fox Valley (Illinois) Golden Corridor Illinois Technology and Research Corridor North Shore (Chicago) Northwest Indiana

Illinois, United States