Union County, South Carolina
Population estimates, July 1, 2025, (V2025) 26,799
People
Population
Population estimates, July 1, 2025, (V2025) 26,799
Population estimates, July 1, 2024, (V2024) 26,678
Population estimates base, April 1, 2020, (V2025) 27,230
Population estimates base, April 1, 2020, (V2024) 27,240
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -1.6%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -2.1%
Population, Census, April 1, 2020 27,244
Population, Census, April 1, 2010 28,961
Age and Sex
Persons under 5 years, percent 4.6%
Persons under 18 years, percent 20.2%
Persons 65 years and over, percent 22.6%
Female persons, percent 52.6%
Race and Hispanic Origin
White alone, percent 66.4%
Black alone, percent(a) 29.8%
American Indian and Alaska Native alone, percent(a) 0.4%
Asian alone, percent(a) 0.7%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 2.6%
Hispanic or Latino, percent(b) 2.4%
White alone, not Hispanic or Latino, percent 64.7%
Population Characteristics
Veterans, 2020-2024 1,659
Foreign-born persons, percent, 2020-2024 1.5%
Housing
Housing Units, July 1, 2025, (V2025) 13,750
Owner-occupied housing unit rate, 2020-2024 71.3%
Median value of owner-occupied housing units, 2020-2024 $103,600
Median selected monthly owner costs - with a mortgage, 2020-2024 $997
Median selected monthly owner costs - without a mortage, 2020-2024 $384
Median gross rent, 2020-2024 $804
Building Permits, 2025 373
Families & Living Arrangements
Households, 2020-2024 11,611
Persons per household, 2020-2024 2.28
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 91.3%
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 88.5%
Households with a broadband Internet subscription, percent, 2020-2024 82.3%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 82.1%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 15.0%
Health
With a disability, under age 65 years, percent, 2020-2024 16.9%
Persons without health insurance, under age 65 years, percent 11.8%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 53.5%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 50.9%
Total accommodation and food services sales, 2022 ($1,000)(c) 33,538
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 78,055
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 16,873
Total retail sales, 2022 ($1,000)(c) 283,705
Total retail sales per capita, 2022(c) $10,610
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 27.4
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $41,621
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $27,229
Persons in poverty, percent 18.7%
Businesses
Businesses
Total employer establishments, 2023 418
Total employment, 2023 5,632
Total annual payroll, 2023 ($1,000) 232,963
Total employment, percent change, 2022-2023 1.2%
Total nonemployer establishments, 2023 1,413
All employer firms, Reference year 2023 288
Male-owned employer firms, Reference year 2023 189
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 S
Nonveteran-owned employer firms, Reference year 2023 166
Geography
Geography
Population per square mile, 2020 53.0
Population per square mile, 2010 56.3
Land area in square miles, 2020 513.59
Land area in square miles, 2010 514.17
FIPS Code 45087