Largest Cities in Illinois by Population

Illinois, Located in the Midwest, it is home to Chicago, the third-largest city in the US. The state is a major transportation hub and an agricultural leader, known for its vast corn and soybean fields. It also plays a significant role in manufacturing and finance.. As of 2020 state had an estimated population of 12,587,530 inhabitants. The state was created 207 years ago in 1818. Its capital city is Springfield.

Hoffman Estates
Hoffman Estates

Hoffman Estates, A city in Cook County, Illinois.

Hanover Park
Hanover Park

Hanover Park, Village in United States of America

Highland Park
Highland Park

Highland Park, City in Lake County, Illinois, United States

From the busy streets of Chicago to the river towns dotting its southern border, Illinois offers a variety of urban attractions and rural charm within its 57,000 square miles. Home to over 12.7 million residents, notable destinations in Illinois include:

Chicago - The largest city in the Midwest, Chicago dazzles with world-class museums like the Art Institute of Chicago, iconic sports teams and venues, deep dish pizza, and stunning lakefront skyline views.

Springfield - Illinois’ capital city, Springfield provides history buffs with Abraham Lincoln sites like his Home and Tomb along with expansive state government buildings.

Galena - Nestled near the Mississippi River, Galena is a beautifully preserved 19th century town with scenic vistas. Its Victorian-era downtown offers shopping, tours, and winery tastings.

Nauvoo - Founded by Mormons in the 1840s, Nauvoo retains its fascinating religious history. Historic homes and buildings like the rebuilt Nauvoo Temple transport visitors back in time.

Champaign-Urbana - Home to the University of Illinois, this twin college town offers innovative dining, cultural events, sports, and entertainment catering to students.

From the big city lights of Chicago to historic small towns, Illinois offers the best of Midwestern metropolitan areas alongside rural escape. Its rivers, lakes, and prairies provide scenic backdrops to favorite destinations.

All Illinois Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Illinois.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name County Population
Hoffman Estates Cook 50,495
Hanover Park Cook 37,164
Highland Park Lake 29,427
Huntley McHenry 27,256
Homer Glen Will 24,281
Harvey Cook 24,109
Homewood Cook 18,475
Hinsdale DuPage 17,587
Hickory Point Woodford 17,401
Hickory Hills Cook 13,555
Hazel Crest Cook 13,446
Herrin Williamson 12,625
Highland Madison 10,017
Harvard McHenry 8,979
Hawthorn Woods Lake 8,782
Harrisburg Saline 8,404
Harwood Heights Cook 8,236
Hillside Cook 7,785
Hampshire Kane 6,207
Hillsboro Montgomery 5,909
Highwood Lake 5,301
Hoopeston Vermilion 4,940
Hometown Cook 4,120
Hainesville Lake 3,551
Havana Mason 2,945
Heyworth McLean 2,869
Henry Marshall 2,230
Harlem Winnebago 2,114
Hinckley DeKalb 2,042
Hodgkins Cook 1,967
Hudson McLean 1,810
Hollis Peoria 1,803
Hampton Rock Island 1,738
Hallock Iroquois 1,532
Herscher Kankakee 1,483
Honey Creek Ogle 1,437
Harristown Macon 1,278
Hillcrest Ogle 1,216
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County Cities on Map (38)