Clay County, Illinois
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 1.2%
People
Population
Population estimates, July 1, 2025, (V2025) 12,793
Population estimates, July 1, 2024, (V2024) 12,821
Population estimates base, April 1, 2020, (V2025) 13,289
Population estimates base, April 1, 2020, (V2024) 13,289
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -3.7%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -3.5%
Population, Census, April 1, 2020 13,288
Population, Census, April 1, 2010 13,815
Age and Sex
Persons under 5 years, percent 5.7%
Persons under 18 years, percent 22.5%
Persons 65 years and over, percent 22.0%
Female persons, percent 50.2%
Race and Hispanic Origin
White alone, percent 96.7%
Black alone, percent(a) 0.8%
American Indian and Alaska Native alone, percent(a) 0.3%
Asian alone, percent(a) 0.9%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 1.3%
Hispanic or Latino, percent(b) 2.3%
White alone, not Hispanic or Latino, percent 94.8%
Population Characteristics
Veterans, 2020-2024 880
Foreign-born persons, percent, 2020-2024 0.2%
Housing
Housing Units, July 1, 2025, (V2025) 6,164
Owner-occupied housing unit rate, 2020-2024 79.3%
Median value of owner-occupied housing units, 2020-2024 $97,400
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,175
Median selected monthly owner costs - without a mortage, 2020-2024 $457
Median gross rent, 2020-2024 $735
Building Permits, 2025 2
Families & Living Arrangements
Households, 2020-2024 5,311
Persons per household, 2020-2024 2.39
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 84.4%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 1.2%
Computer and Internet Use
Households with a computer, percent, 2020-2024 90.9%
Households with a broadband Internet subscription, percent, 2020-2024 85.9%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 90.5%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 13.1%
Health
With a disability, under age 65 years, percent, 2020-2024 11.7%
Persons without health insurance, under age 65 years, percent 6.5%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 56.6%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 55.0%
Total accommodation and food services sales, 2022 ($1,000)(c) 12,986
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 69,106
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 34,460
Total retail sales, 2022 ($1,000)(c) 167,907
Total retail sales per capita, 2022(c) $12,840
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 25.0
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $60,417
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $31,980
Persons in poverty, percent 14.0%
Businesses
Businesses
Total employer establishments, 2023 322
Total employment, 2023 4,623
Total annual payroll, 2023 ($1,000) 253,828
Total employment, percent change, 2022-2023 3.1%
Total nonemployer establishments, 2023 953
All employer firms, Reference year 2023 108
Male-owned employer firms, Reference year 2023 22
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 58
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 73
Geography
Geography
Population per square mile, 2020 28.4
Population per square mile, 2010 29.5
Land area in square miles, 2020 468.35
Land area in square miles, 2010 468.32
FIPS Code 17025