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.

Freeport
Freeport

Freeport, City in Illinois

Frankfort
Frankfort

Frankfort, County seat city in Franklin County, Kentucky, USA and Kentucky federated state capital city

Franklin Park
Franklin Park

Franklin Park, Village in Illinois

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
Freeport Stephenson 23,447
Frankfort Franklin 19,411
Franklin Park Cook 17,402
Fairview Heights Saint Clair 16,127
Flagg Ogle 12,745
Fox Lake Lake 10,411
Flossmoor Cook 9,018
Fairfield Wayne 4,889
Flora Clay 4,831
Fox River Grove McHenry 4,518
Freeburg Saint Clair 4,223
Fairbury Livingston 3,596
Forsyth Macon 3,465
Fulton Whiteside 3,285
Ford Heights Cook 2,647
Fairmont City Saint Clair 2,439
Farmington Fulton 2,181
Farmer City De Witt 1,936
Fisher Champaign 1,911
Forreston Ogle 1,338
Forrest Livingston 1,124
Flanagan Livingston 1,057
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County Cities on Map (22)