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Jefferson

County in Illinois (USA)

Contents: Population

The population development of Jefferson as well as related information and services (Wikipedia, Google, images).

JeffersonCounty37,02040,04538,82737,11336,877
USA [United States of America]Federal Republic248,709,873281,421,906308,745,538331,449,281331,893,745

Source: U.S. Census Bureau (web).

Explanation: All population totals refer to 2020 boundaries. The 2021 gender and age figures are not fully based on results of the 2020 census.


Further information about the population structure:

Gender (E 2021)
Males19,097
Females17,780
Age Groups (E 2021)
0-17 years8,202
18-64 years21,533
65+ years7,142
Age Distribution (E 2021)
0-9 years4,481
10-19 years4,470
20-29 years4,343
30-39 years4,586
40-49 years4,569
50-59 years4,818
60-69 years4,735
70-79 years3,272
80+ years1,603
»Race« (C 2020)
White31,440
Black/African American2,842
Indigenous92
Asian365
Pacific Islander7
Some other343
2 or more2,024
Ethnicity (C 2020)
Hispanic or Latino899
Other36,214

See also:

Located in:


USA: Counties