Largest cities in Illinois

Illinois, known for its vibrant cities and rich cultural heritage, is a state that offers a diverse range of living experiences. With a population of approximately 12.7 million, it ranks as the 6th most populated state in the U.S. Illinois has seen stable population growth, driven by its robust economy and high quality of life. Bordered by Wisconsin to the north, Iowa and Missouri to the west, Kentucky to the south, and Indiana to the east, Illinois offers a variety of urban and rural living environments across its roughly 1,300 cities and towns.

Living in Illinois provides numerous benefits, including access to world-class education, a strong job market, and a rich cultural scene. The state's high population density in major urban areas creates a dynamic and energetic atmosphere, while its rural areas offer tranquility and space. Illinois's economy is diverse, with strengths in manufacturing, agriculture, and finance. The state's stable population growth supports a robust and sustainable development path. The AreaVibes list of the largest cities in Illinois, is compiled using data from the United States Census Bureau's American Community Survey, highlights Illinois cities by population, showcasing the state's most populous and influential urban centers.

Chicago Population: 2,804,582 Livability Score: 78
Area Size: 589 KM2 Density (sq mi): 12,337 Med. Household Income: $92,078
Living in Chicago, IL, known as 'The Windy City,' combines a rich cultural heritage with modern amenities, making it an attractive place to call home. Located in northeastern Illinois on the shores of Lake Michigan, Chicago is a large city known for its impressive skyline and vibrant neighborhoods. Major nearby cities like Milwaukee and Indianapolis enhance its status as a central hub in the Midwest. Chicago's blend of historic charm and contemporary innovation creates a unique urban experience.
Aurora Population: 206,020 Livability Score: 75
Area Size: 116 KM2 Density (sq mi): 4,590 Med. Household Income: $109,454
Aurora, IL, known as "The City of Lights," is famous for its historic architecture and vibrant arts scene. Located in the western suburbs of Chicago, Aurora is approximately 40 miles west of downtown Chicago and 20 miles east of DeKalb. This medium-sized city offers a blend of urban amenities and suburban charm, making it a great place to live.
Joliet Population: 152,137 Livability Score: 78
Area Size: 165 KM2 Density (sq mi): 2,386 Med. Household Income: $110,204
Joliet, IL, known as 'City of Steel,' offers a unique blend of suburban tranquility and modern urban amenities. Located in Will and Kendall counties, Joliet is a large city that serves as a major cultural and economic hub. Major nearby cities like Chicago (40 miles) and Aurora (20 miles) enhance its status as a central point in the region. Joliet's blend of historic landmarks, cultural festivals, and urban amenities creates a distinctive living experience.
Naperville Population: 151,582 Livability Score: 85
Area Size: 100 KM2 Density (sq mi): 3,918 Med. Household Income: $193,565
Naperville, IL, known as 'The Golden City,' offers a unique blend of suburban tranquility and modern urban amenities. Located in DuPage and Will counties, Naperville is a large city that serves as a major cultural and economic hub. Major nearby cities like Chicago (28 miles) and Aurora (10 miles) enhance its status as a central point in the region. Naperville's blend of historic landmarks, cultural festivals, and urban amenities creates a distinctive living experience.
Rockford Population: 151,169 Livability Score: 62
Area Size: 167 KM2 Density (sq mi): 2,348 Med. Household Income: $66,354
Rockford, IL, known as 'The Forest City,' offers a unique blend of historic charm and modern urban amenities. Located in Winnebago County, Rockford is a large city that serves as a major cultural and economic hub. Major nearby cities like Chicago (90 miles) and Madison (75 miles) enhance its status as a central point in the region. Rockford's blend of historic landmarks, cultural festivals, and urban amenities creates a distinctive living experience.
Springfield Population: 117,426 Livability Score: 79
Area Size: 156 KM2 Density (sq mi): 1,949 Med. Household Income: $81,200
Springfield, Illinois, known as "The Land of Lincoln," is the state capital and a city rich in history and culture. With its significant historical landmarks, vibrant arts scene, and strong sense of community, Springfield offers a high quality of life for its residents. The city's blend of historic charm and modern amenities makes living in Springfield an attractive option.
Elgin Population: 115,336 Livability Score: 83
Area Size: 97 KM2 Density (sq mi): 3,070 Med. Household Income: $109,630
Elgin, Illinois, known as "The City in the Suburbs," is a historic and vibrant community located along the Fox River. With its rich history, diverse cultural scene, and strong economy, Elgin offers a high quality of life for its residents. The city's blend of suburban charm and urban amenities makes living in Elgin an attractive option for families and professionals.
Peoria Population: 115,301 Livability Score: 73
Area Size: 125 KM2 Density (sq mi): 2,393 Med. Household Income: $77,104
Peoria, Illinois, known as "The River City," is a historic and vibrant community located along the Illinois River. With its rich history, diverse cultural scene, and strong economy, Peoria offers a high quality of life for its residents. The city's blend of historic charm and modern amenities makes living in Peoria an attractive option.
Champaign Population: 90,911 Livability Score: 83
Area Size: 59 KM2 Density (sq mi): 3,986 Med. Household Income: $72,910
Living in Champaign, IL offers a vibrant blend of urban amenities and Midwestern charm. Known as the 'Hub of Central Illinois,' Champaign is home to the University of Illinois at Urbana-Champaign, which brings a youthful energy and diverse cultural scene to the city. The university’s Krannert Center for the Performing Arts is a cultural gem, offering a wide array of performances, from theater and dance to world-class music concerts.
Waukegan Population: 90,063 Livability Score: 75
Area Size: 63 KM2 Density (sq mi): 3,713 Med. Household Income: $78,659
Living in Waukegan, IL offers a rich cultural experience with a strong connection to the arts and the natural beauty of Lake Michigan. Known as the 'Art and Soul of Lake County,' Waukegan is home to a vibrant arts community and a historic downtown area. The Genesee Theatre, a beautifully restored venue, hosts concerts, Broadway shows, and other live performances, making it a cultural centerpiece of the city.

Full list of the largest cities in Illinois

Rank Location Population Area KM2 Median Income Livability Score 
1 Chicago 2,804,582 589 $92,078 78
2 Aurora 206,020 116 $109,454 75
3 Joliet 152,137 165 $110,204 78
4 Naperville 151,582 100 $193,565 85
5 Rockford 151,169 167 $66,354 62
6 Springfield 117,426 156 $81,200 79
7 Elgin 115,336 97 $109,630 83
8 Peoria 115,301 125 $77,104 73
9 Champaign 90,911 59 $72,910 83
10 Waukegan 90,063 63 $78,659 75
11 Cicero 84,320 15 $80,278 82
12 Bloomington 79,438 70 $97,788 77
13 Arlington Heights 77,990 43 $151,218 82
14 Schaumburg 76,160 50 $124,002 79
15 Bolingbrook 76,035 64 $136,067 76
16 Evanston 75,477 20 $124,314 85
17 Decatur 74,163 110 $68,944 59
18 Palatine 70,310 35 $123,796 81
19 Skokie 65,008 26 $113,252 82
20 Orland Park 60,161 57 $128,588 85
21 Des Plaines 60,159 37 $111,566 83
22 Tinley Park 57,746 42 $122,827 74
23 Oak Lawn 57,180 22 $104,856 80
24 Berwyn 56,642 10 $91,432 83
25 Mount Prospect 55,996 27 $123,286 84
26 Normal 55,834 48 $87,049 86
27 Wheaton 54,594 29 $158,171 86
28 Oak Park 53,295 12 $145,438 84
29 Hoffman Estates 52,201 54 $137,278 76
30 Downers Grove 50,391 38 $144,374 86
31 Glenview 49,038 36 $175,862 78
32 Elmhurst 48,413 27 $184,404 87
33 Plainfield 45,974 63 $198,573 67
34 Lombard 45,226 27 $130,240 72
35 DeKalb 44,075 42 $66,859 77
36 Urbana 43,747 31 $53,590 80
37 Moline 42,715 43 $85,094 76
38 Belleville 42,499 60 $80,172 78
39 Bartlett 42,167 41 $161,674 80
40 Buffalo Grove 41,884 25 $173,397 77
41 Streamwood 41,397 20 $130,562 78
42 Romeoville 41,178 49 $127,466 74
43 Quincy 41,163 41 $69,000 67
44 Crystal Lake 40,724 49 $136,941 82
45 Carol Stream 40,500 24 $132,302 80
46 Wheeling 39,851 22 $107,370 71
47 Park Ridge 38,854 18 $169,426 88
48 Hanover Park 38,780 16 $116,499 78
49 Rock Island 38,640 44 $70,469 73
50 Carpentersville 38,383 20 $109,560 67

Methodology

To compile the list of the largest cities in Illinois, AreaVibes used census data from the United States Census Bureau's American Community Survey (ACS). The American Community Survey releases updated estimates annually, offering a valuable resource for understanding the evolving dynamics within communities. These estimates are crucial for officials, community leaders, businesses, and local residents as they provide insights into demographic, economic, and social changes. By analyzing ACS data, stakeholders can make informed decisions, plan for future developments, and address the needs of their communities effectively. The detailed population information from the ACS helps track trends, allocate resources, and implement policies that enhance the quality of life for all residents.

Map of the population Density by State

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The map above serves as an excellent tool for discovering the most and least densely populated states across the United States. By highlighting both the states with the highest and lowest population density, it offers a comprehensive view of the nation's demographic landscape. This visual representation allows users to easily compare different regions, making it a valuable resource for anyone considering relocation or investment opportunities. Living in high density states could give you access to the following benefits: additional economic opportunities, enhanced amenities, improved health care, better infrastructure and technological advancement. Less densely poupulated states on the other hand, often have a lower cost of living, reduced traffic, closer-knit communities, abundant natural spaces and lower crime rates.