Marlboro County, SC — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
26,285
Male
13,838
52.6%
Female
12,447
47.4%
Median Age
41.2 yrs
Avg Household Size
2.5
Foreign Born
2.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher6.3%
High School or Higher42.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.1%
Disability
0.0%
Non-English Home
13.3%
Married
29.6%
Marlboro County, SC has a population of 26,285 according to 2023 Census Bureau estimates. The median age is 41.2 years. The largest racial or ethnic group is White at 38.7% of the population. 6.3% of residents hold a bachelor's degree or higher. 2.1% of residents are foreign-born.