Marion County SC Information


Marion County Subdivisions

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


Total Population 32,432
Daytime Population: Workers 9,089
Daytime Population: Residents 20,200
Total Daytime Population (TDP) 29,289
Ratio TDP/Total Population1 0.90
Population in Households 32,229
Population in Familes 26,709
Population in Group Qrtrs 203
Population Density2 66
Diversity Index3 55


Median Household Income $31,338
Average Household Income $45,752
Per Capita Income $18,193


Total Housing Units 14,953 (100%)
Owner Occupied HU 8,741 (58.5%)
Renter Occupied HU 4,077 (27.3%)
Vacant Housing Units 2,135 (14.3%)
Median Home Value $90,112
Average Home Value $115,170


Total Households 12,818
Average Household Size 2.51
Family Households 8,605
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 -0.27% -0.44%
Households -0.26% -0.43%
Families -0.43% -0.55%
Median Household Income   2.31%
Per Capita Income   2.24%


Marion County SC - Peer Comparisons by Rank and Percentile

The table below compares Marion 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 # 31 35th
Population Density # 26 46th
Diversity Index # 17 65th
Median Household Income # 40 15th
Per Capita Income # 38 20th

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