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Mercer

County in Illinois

Contents: Subdivision

The population development in Mercer 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
MercerCounty17,29016,95716,43415,69615,292
AbingtonTownship468453392374362
DuncanTownship337297272263257
ElizaTownship438397419411401
GreeneTownship1,6661,6221,6401,4501,408
KeithsburgTownship885818687644640
MercerTownship4,2064,1744,0743,9783,857
MillersburgTownship846775755626609
New BostonTownship1,2251,2041,2041,1701,145
North HendersonTownship479432433388378
Ohio GroveTownship347302279273266
PerrytonTownship511502469458444
PreemptionTownship1,7961,8261,7771,6831,639
Richland GroveTownship2,1862,2872,2982,3172,271
RivoliTownship1,1771,1571,1421,0541,025
SuezTownship723694595607590
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)
Males7,864
Females7,835
Age Groups (C 2020)
0-17 years3,410
18-64 years8,788
65+ years3,501
Age Distribution (C 2020)
80+ years870
70-79 years1,570
60-69 years2,238
50-59 years2,265
40-49 years1,860
30-39 years1,723
20-29 years1,404
10-19 years2,079
0-9 years1,690
Urbanization (C 2020)
Rural15,699
»Race« (C 2020)
White14,763
Black/African American77
Indigenous30
Asian37
Pacific Islander2
Some other84
2 or more706
Ethnicity (C 2020)
Hispanic or Latino468
Other15,231