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.

Bloomington
Bloomington

Bloomington, The second most populous city in McLean County, Illinois.

Bolingbrook
Bolingbrook

Bolingbrook, Town in Illinois

Berwyn
Berwyn

Berwyn, A city in Cook County, 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
Bloomington McLean 77,132
Bolingbrook Will 74,025
Berwyn Cook 53,701
Buffalo Grove Cook 41,496
Belleville Saint Clair 40,536
Bartlett Cook 40,312
Bristol Kendall 30,486
Burbank Cook 27,933
Batavia Kane 26,442
Belvidere Boone 24,731
Blue Island Cook 22,616
Bloomingdale DuPage 21,723
Bourbonnais Kankakee 19,378
Bellwood Cook 18,436
Brookfield Cook 18,091
Bensenville DuPage 17,943
Bridgeview Cook 15,993
Bradley Kankakee 15,132
Beach Park Lake 13,641
Burr Ridge DuPage 10,691
Bethalto Madison 9,201
Broadview Cook 7,517
Benton Franklin 6,784
Braidwood Will 6,148
Bartonville Peoria 6,049
Beardstown Cass 5,335
Brookside Kane 5,328
Berkeley Cook 4,985
Breese Clinton 4,538
Beecher Will 4,385
Barrington Hills Cook 4,152
Bourbon Douglas 4,061
Burnham Cook 4,040
Byron Ogle 3,650
Bushnell McDonough 2,825
Bellevue Peoria 2,037
Brighton Macoupin 1,967
Buena Vista Saline 1,684
Bridgeport Lawrence 1,677
Bunker Hill Macoupin 1,664
Bement Piatt 1,661
Bannockburn Lake 1,596
Benld Macoupin 1,406
Barry Pike 1,208
Big Rock Kane 1,121
Bedford Pike 1,021
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County Cities on Map (46)