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Jefferson

County in Illinois

Contents: Subdivision

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

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

NameStatusPopulation
Census
1990-04-01		Population
Census
2000-04-01		Population
Census
2010-04-01		Population
Census
2020-04-01		Population
Estimate
2024-07-01
JeffersonCounty37,02040,04538,82737,11336,107
Bald HillTownship782793769810781
BlissvilleTownship355401411380373
CasnerTownship1,0041,2411,2241,1751,145
DoddsTownship2,6622,7442,6462,7412,677
Elk PrairieTownship753720726690671
FarringtonTownship538546569579566
FieldTownship1,1471,4301,4701,5151,486
Grand PrairieTownship8981,021919905883
McClellanTownship1,1771,2291,2581,2231,189
Moores PrairieTownship371384352361350
Mount VernonTownship15,08714,47413,37212,55612,160
PendletonTownship1,0621,0951,2011,1591,127
RomeTownship1,5521,8311,6661,6621,619
ShilohTownship6,1076,3396,6146,6276,433
Spring GardenTownship1,4413,4543,3062,5812,557
WebberTownship2,0842,3492,3222,1492,090
IllinoisState11,430,60212,419,29312,830,63212,821,81412,710,158

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.

Further information about the population structure:

Gender (C 2020)
Males18,852
Females18,261
Age Groups (C 2020)
0-17 years8,267
18-64 years21,334
65+ years7,512
Age Distribution (C 2020)
80+ years1,795
70-79 years3,361
60-69 years5,005
50-59 years4,970
40-49 years4,393
30-39 years4,404
20-29 years4,077
10-19 years4,637
0-9 years4,471
Urbanization (C 2020)
Rural21,825
Urban15,288
»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