Marlboro County SC Information


Marlboro County Subdivisions

Marlboro County SC Data & Demographics (As of July 1, 2017)


Total Population 28,023
Daytime Population: Workers 8,379
Daytime Population: Residents 16,381
Total Daytime Population (TDP) 24,760
Ratio TDP/Total Population1 0.88
Population in Households 24,757
Population in Familes 20,247
Population in Group Qrtrs 3,266
Population Density2 58
Diversity Index3 61


Median Household Income $30,164
Average Household Income $43,106
Per Capita Income $16,806


Total Housing Units 11,982 (100%)
Owner Occupied HU 6,604 (55.1%)
Renter Occupied HU 3,485 (29.1%)
Vacant Housing Units 1,893 (15.8%)
Median Home Value $67,603
Average Home Value $92,338


Total Households 10,089
Average Household Size 2.45
Family Households 6,614
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.44% -0.73%
Households -0.4% -0.78%
Families -0.59% -0.89%
Median Household Income   0.88%
Per Capita Income   0.97%


Marlboro County SC - Peer Comparisons by Rank and Percentile

The table below compares Marlboro County to the other 46 counties and county equivalents in South Carolina by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 35 26th
Population Density # 28 39th
Diversity Index # 4 93rd
Median Household Income # 42 11th
Per Capita Income # 42 11th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Carolina Census Data Comparison Tool.