Marion County SC Information


Marion County Subdivisions

Marion County SC Data & Demographics (As of July 1, 2015)


Total Population 32,458
Population in Households 32,255
Population in Familes 26,731
Population in Group Qrtrs 203
Population Density1 66
Diversity Index2 56


Total Households 13,030
Average Household Size 2.48
Family Households 8,785
Average Family Size 3


Total Housing Units 15,141 (100%)
Owner Occupied HU 8,648 (57.1%)
Renter Occupied HU 4,382 (28.9%)
Vacant Housing Units 2,111 (13.9%)
Median Home Value $92,113
Average Home Value $120,953


Median Household Income $29,077
Average Household Income $41,637
Per Capita Income $16,743
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.35% -0.52%
Households -0.04% -0.41%
Families -0.21% -0.51%
Median Household Income   2.59%
Per Capita Income   2.34%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2015 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 Density1 # 26 46th
Diversity Index2 # 14 74th
Median Household Income # 42 11th
Per Capita Income # 39 17th

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