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USA: Illinois

Contents: Illinois

State


12,821,814 Population [2020] – census

12,710,158 Population [2024] – estimate

143,778km² Area

88.40/km² Density [2024]

Counties and Townships

The population of all counties and townships in Illinois according to census results.

1,707 Counties and Townships (number)

7,446 Population [2024] (average)

84.23 km² Area (average)

In the map, click on an area for displaying detailed information of the corresponding feature.


Further information about the population structure:

Population Developent
C 1990-04-0111,430,602
C 2000-04-0112,419,293
C 2010-04-0112,830,632
C 2020-04-0112,821,814
E 2024-07-0112,710,158
Gender (C 2020)
Males6,283,130
Females6,529,378
Age Groups (C 2020)
0-17 years2,813,039
18-64 years7,905,484
65+ years2,093,985
Age Distribution (C 2020)
80+ years497,525
70-79 years905,185
60-69 years1,521,606
50-59 years1,676,896
40-49 years1,609,617
30-39 years1,729,244
20-29 years1,715,581
10-19 years1,687,567
0-9 years1,469,287
Urbanization (C 2020)
Rural1,674,918
Urban11,137,590
»Race« (C 2020)
White7,868,227
Black/African American1,808,271
Indigenous96,498
Asian754,878
Pacific Islander4,501
Some other1,135,149
2 or more1,144,984
Ethnicity (C 2020)
Hispanic or Latino2,337,410
Other10,475,098

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.