Marlboro County Flag

Marlboro County

County Seat:

Marlboro County's estimated 2025 population is 25,100 with a growth rate of -1.19% in the past year according to the most recent United States census data. Marlboro County is the 36th largest county in South Carolina. The 2010 population was 28,918 and has seen a growth of -13.2% since that time.

25,100
Total Population
52
Population Density (miĀ²)
36
Population Rank (State)
-302 -1.19%
Annual Population Growth

Marlboro County Population

Marlboro County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marlboro County includes 49.29% Black or African American, 38.73% White, 3.46% Native American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

White

Two or more races

Native American

Other race

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
Black or African American12,95649.29%
White10,18038.73%
Two or more races1,6256.18%
Native American9093.46%
Other race5161.96%
Asian990.38%
Native Hawaiian or Pacific Islander00%

Marlboro County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marlboro County's average per capita income is $35,655. Household income levels show a median of $36,293. The poverty rate stands at 26.16%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$57,037-
Families$50,795$65,653
Households$36,293$50,984
Non Families$20,659$32,571

$35,655

Average Income

$36,293

Median Household Income

26.16%

Poverty Rate