Clark County, Illinois
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $37,528
People
Population
Population estimates, July 1, 2025, (V2025) 15,114
Population estimates, July 1, 2024, (V2024) 15,076
Population estimates base, April 1, 2020, (V2025) 15,487
Population estimates base, April 1, 2020, (V2024) 15,481
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -2.4%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -2.6%
Population, Census, April 1, 2020 15,455
Population, Census, April 1, 2010 16,335
Age and Sex
Persons under 5 years, percent 5.0%
Persons under 18 years, percent 21.7%
Persons 65 years and over, percent 21.1%
Female persons, percent 49.3%
Race and Hispanic Origin
White alone, percent 96.8%
Black alone, percent(a) 1.1%
American Indian and Alaska Native alone, percent(a) 0.3%
Asian alone, percent(a) 0.5%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 1.3%
Hispanic or Latino, percent(b) 2.0%
White alone, not Hispanic or Latino, percent 95.0%
Population Characteristics
Veterans, 2020-2024 925
Foreign-born persons, percent, 2020-2024 1.3%
Housing
Housing Units, July 1, 2025, (V2025) 7,316
Owner-occupied housing unit rate, 2020-2024 80.3%
Median value of owner-occupied housing units, 2020-2024 $132,400
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,233
Median selected monthly owner costs - without a mortage, 2020-2024 $575
Median gross rent, 2020-2024 $861
Building Permits, 2025 9
Families & Living Arrangements
Households, 2020-2024 6,555
Persons per household, 2020-2024 2.29
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.2%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.2%
Computer and Internet Use
Households with a computer, percent, 2020-2024 91.2%
Households with a broadband Internet subscription, percent, 2020-2024 87.6%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 92.5%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 24.9%
Health
With a disability, under age 65 years, percent, 2020-2024 9.2%
Persons without health insurance, under age 65 years, percent 5.7%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 61.3%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 55.7%
Total accommodation and food services sales, 2022 ($1,000)(c) 25,524
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 21,731
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 34,132
Total retail sales, 2022 ($1,000)(c) 298,648
Total retail sales per capita, 2022(c) $19,700
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 25.2
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $72,927
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $37,528
Persons in poverty, percent 11.0%
Businesses
Businesses
Total employer establishments, 2023 335
Total employment, 2023 3,487
Total annual payroll, 2023 ($1,000) 155,803
Total employment, percent change, 2022-2023 3.6%
Total nonemployer establishments, 2023 1,015
All employer firms, Reference year 2023 274
Male-owned employer firms, Reference year 2023 S
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 S
Veteran-owned employer firms, Reference year 2023 3
Nonveteran-owned employer firms, Reference year 2023 S
Geography
Geography
Population per square mile, 2020 30.8
Population per square mile, 2010 32.6
Land area in square miles, 2020 501.38
Land area in square miles, 2010 501.42
FIPS Code 17023