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Clark

County in Illinois

Contents: Subdivision

The population development in Clark 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
ClarkCounty15,92117,00816,33515,48115,076
AndersonTownship335404404431419
AuburnTownship278284240234229
CaseyTownship4,0214,1723,9583,4953,406
DarwinTownship374381342335325
DolsonTownship310364355361351
DouglasTownship166162170130125
JohnsonTownship363376383374363
MarshallTownship4,4914,7124,5864,5684,456
MartinsvilleTownship1,6241,6811,6021,5301,488
MelroseTownship371405353340332
OrangeTownship257250230263257
ParkerTownship218242183164160
WabashTownship1,6702,1012,2552,1072,048
WestfieldTownship824816723650631
YorkTownship619645551499486
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)
Males7,663
Females7,792
Age Groups (C 2020)
0-17 years3,462
18-64 years8,757
65+ years3,236
Age Distribution (C 2020)
80+ years809
70-79 years1,426
60-69 years2,145
50-59 years2,177
40-49 years1,812
30-39 years1,774
20-29 years1,526
10-19 years1,926
0-9 years1,860
Urbanization (C 2020)
Rural15,455
»Race« (C 2020)
White14,784
Black/African American54
Indigenous28
Asian60
Some other99
2 or more430
Ethnicity (C 2020)
Hispanic or Latino246
Other15,209