Piatt County, Illinois
Median households income (in 2024 dollars), 2020-2024 $94,811
People
Population
Population estimates, July 1, 2025, (V2025) 16,791
Population estimates, July 1, 2024, (V2024) 16,628
Population estimates base, April 1, 2020, (V2025) 16,684
Population estimates base, April 1, 2020, (V2024) 16,678
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 0.6%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -0.3%
Population, Census, April 1, 2020 16,673
Population, Census, April 1, 2010 16,729
Age and Sex
Persons under 5 years, percent 4.9%
Persons under 18 years, percent 21.6%
Persons 65 years and over, percent 22.6%
Female persons, percent 50.0%
Race and Hispanic Origin
White alone, percent 96.5%
Black alone, percent(a) 1.1%
American Indian and Alaska Native alone, percent(a) 0.3%
Asian alone, percent(a) 0.6%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 1.4%
Hispanic or Latino, percent(b) 1.8%
White alone, not Hispanic or Latino, percent 94.9%
Population Characteristics
Veterans, 2020-2024 875
Foreign-born persons, percent, 2020-2024 1.7%
Housing
Housing Units, July 1, 2025, (V2025) 7,470
Owner-occupied housing unit rate, 2020-2024 84.8%
Median value of owner-occupied housing units, 2020-2024 $180,600
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,527
Median selected monthly owner costs - without a mortage, 2020-2024 $647
Median gross rent, 2020-2024 $1,046
Building Permits, 2025 39
Families & Living Arrangements
Households, 2020-2024 6,924
Persons per household, 2020-2024 2.39
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.5%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.4%
Computer and Internet Use
Households with a computer, percent, 2020-2024 95.3%
Households with a broadband Internet subscription, percent, 2020-2024 91.3%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 96.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 32.9%
Health
With a disability, under age 65 years, percent, 2020-2024 8.2%
Persons without health insurance, under age 65 years, percent 4.7%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 65.0%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 57.9%
Total accommodation and food services sales, 2022 ($1,000)(c) 14,712
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 82,726
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 19,504
Total retail sales, 2022 ($1,000)(c) 159,003
Total retail sales per capita, 2022(c) $9,535
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 24.0
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $94,811
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $46,739
Persons in poverty, percent 6.9%
Businesses
Businesses
Total employer establishments, 2023 339
Total employment, 2023 2,535
Total annual payroll, 2023 ($1,000) 119,159
Total employment, percent change, 2022-2023 6.9%
Total nonemployer establishments, 2023 1,165
All employer firms, Reference year 2023 S
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 38.0
Population per square mile, 2010 38.1
Land area in square miles, 2020 439.19
Land area in square miles, 2010 439.20
FIPS Code 17147