Mercer County, Ohio
Population, Census, April 1, 2010 40,814
People
Population
Population estimates, July 1, 2025, (V2025) 42,737
Population estimates, July 1, 2024, (V2024) 42,648
Population estimates base, April 1, 2020, (V2025) 42,529
Population estimates base, April 1, 2020, (V2024) 42,528
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 0.5%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 0.3%
Population, Census, April 1, 2020 42,528
Population, Census, April 1, 2010 40,814
Age and Sex
Persons under 5 years, percent 7.4%
Persons under 18 years, percent 26.1%
Persons 65 years and over, percent 20.2%
Female persons, percent 49.2%
Race and Hispanic Origin
White alone, percent 96.0%
Black alone, percent(a) 0.6%
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) 1.0%
Two or More Races, percent 1.4%
Hispanic or Latino, percent(b) 2.5%
White alone, not Hispanic or Latino, percent 93.9%
Population Characteristics
Veterans, 2020-2024 1,688
Foreign-born persons, percent, 2020-2024 1.7%
Housing
Housing Units, July 1, 2025, (V2025) 18,384
Owner-occupied housing unit rate, 2020-2024 79.6%
Median value of owner-occupied housing units, 2020-2024 $210,600
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,340
Median selected monthly owner costs - without a mortage, 2020-2024 $553
Median gross rent, 2020-2024 $804
Building Permits, 2025 83
Families & Living Arrangements
Households, 2020-2024 16,408
Persons per household, 2020-2024 2.56
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 89.9%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.1%
Computer and Internet Use
Households with a computer, percent, 2020-2024 93.9%
Households with a broadband Internet subscription, percent, 2020-2024 91.5%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 95.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 21.9%
Health
With a disability, under age 65 years, percent, 2020-2024 6.0%
Persons without health insurance, under age 65 years, percent 6.1%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 67.0%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 62.6%
Total accommodation and food services sales, 2022 ($1,000)(c) 71,296
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 238,531
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 602,076
Total retail sales, 2022 ($1,000)(c) 688,624
Total retail sales per capita, 2022(c) $16,232
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 18.5
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $76,782
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $35,761
Persons in poverty, percent 8.0%
Businesses
Businesses
Total employer establishments, 2023 1,050
Total employment, 2023 17,679
Total annual payroll, 2023 ($1,000) 843,049
Total employment, percent change, 2022-2023 7.9%
Total nonemployer establishments, 2023 3,036
All employer firms, Reference year 2023 888
Male-owned employer firms, Reference year 2023 579
Female-owned employer firms, Reference year 2023 109
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 747
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 689
Geography
Geography
Population per square mile, 2020 92.0
Population per square mile, 2010 88.3
Land area in square miles, 2020 462.45
Land area in square miles, 2010 462.45
FIPS Code 39107