Marion County, South Carolina
Population estimates, July 1, 2025, (V2025) 28,242
People
Population
Population estimates, July 1, 2025, (V2025) 28,242
Population estimates, July 1, 2024, (V2024) 28,368
Population estimates base, April 1, 2020, (V2025) 29,184
Population estimates base, April 1, 2020, (V2024) 29,179
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -3.2%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -2.8%
Population, Census, April 1, 2020 29,183
Population, Census, April 1, 2010 33,062
Age and Sex
Persons under 5 years, percent 5.4%
Persons under 18 years, percent 21.6%
Persons 65 years and over, percent 22.8%
Female persons, percent 53.0%
Race and Hispanic Origin
White alone, percent 41.1%
Black alone, percent(a) 55.5%
American Indian and Alaska Native alone, percent(a) 1.0%
Asian alone, percent(a) 0.6%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 1.9%
Hispanic or Latino, percent(b) 3.0%
White alone, not Hispanic or Latino, percent 39.3%
Population Characteristics
Veterans, 2020-2024 1,451
Foreign-born persons, percent, 2020-2024 1.4%
Housing
Housing Units, July 1, 2025, (V2025) 14,783
Owner-occupied housing unit rate, 2020-2024 62.6%
Median value of owner-occupied housing units, 2020-2024 $93,200
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,064
Median selected monthly owner costs - without a mortage, 2020-2024 $366
Median gross rent, 2020-2024 $669
Building Permits, 2025 71
Families & Living Arrangements
Households, 2020-2024 12,177
Persons per household, 2020-2024 2.34
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 91.6%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 4.0%
Computer and Internet Use
Households with a computer, percent, 2020-2024 86.5%
Households with a broadband Internet subscription, percent, 2020-2024 69.4%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 86.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 14.5%
Health
With a disability, under age 65 years, percent, 2020-2024 13.5%
Persons without health insurance, under age 65 years, percent 11.6%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 48.7%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 43.2%
Total accommodation and food services sales, 2022 ($1,000)(c) 36,465
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 56,206
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 24,576
Total retail sales, 2022 ($1,000)(c) 317,252
Total retail sales per capita, 2022(c) $11,143
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 28.3
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $36,301
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $22,884
Persons in poverty, percent 30.8%
Businesses
Businesses
Total employer establishments, 2023 489
Total employment, 2023 4,965
Total annual payroll, 2023 ($1,000) 172,496
Total employment, percent change, 2022-2023 1.3%
Total nonemployer establishments, 2023 1,896
All employer firms, Reference year 2023 385
Male-owned employer firms, Reference year 2023 218
Female-owned employer firms, Reference year 2023 29
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 289
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 279
Geography
Geography
Population per square mile, 2020 59.6
Population per square mile, 2010 67.6
Land area in square miles, 2020 489.37
Land area in square miles, 2010 489.23
FIPS Code 45067