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.

Waukegan
Waukegan

Waukegan, The second most populous city in Lake County, Illinois.

Wheaton
Wheaton

Wheaton, The most populous city in DuPage County, Illinois.

Wheeling
Wheeling

Wheeling, City in West Virginia

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
Waukegan Lake 85,453
Wheaton DuPage 52,451
Wheeling Cook 38,958
Woodridge DuPage 33,329
Wilmette Cook 26,819
West Chicago DuPage 26,593
Westmont DuPage 24,266
Washington Tazewell 16,395
Westchester Cook 15,911
Wood Dale DuPage 13,483
Warrenville DuPage 13,456
Wauconda Lake 13,432
Western Springs Cook 13,274
Winnetka Cook 12,194
Waterloo Monroe 10,536
Woodside Sangamon 10,484
Worth Cook 10,334
Wood River Madison 10,002
Winfield DuPage 9,579
West Dundee Kane 8,768
Willowbrook DuPage 8,507
West Frankfort Franklin 7,733
Winthrop Harbor Lake 6,568
Wilmington Will 5,597
Willow Springs Cook 5,562
Watseka Iroquois 4,694
West Peoria Peoria 4,409
Wonder Lake McHenry 3,837
Washington Park Saint Clair 3,831
Wadsworth Lake 3,631
Winnebago Winnebago 2,973
Westville Vermilion 2,913
Wayne DuPage 2,446
White Hall Greene 2,269
Wesley Tazewell 2,130
Waterman DeKalb 1,497
Williamsville Sangamon 1,490
Winchester Scott 1,466
Warsaw Hancock 1,456
Walnut Bureau 1,296
Wyoming Stark 1,253
Waverly Morgan 1,182
Windsor Shelby 1,128
Wamac Marion 1,117
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County Cities on Map (44)