Williamsburg County SC Information


Williamsburg County Subdivisions

Williamsburg County SC Data & Demographics (As of July 1, 2018)


Total Population 32,804
Population in Households 31,358
Population in Familes 26,302
Population in Group Qrtrs 1,446
Population Density1 35
Diversity Index2 51


Median Household Income $28,422
Average Household Income $42,530
Per Capita Income $16,350


Total Housing Units 15,281 (100%)
Owner Occupied HU 10,127 (66.3%)
Renter Occupied HU 2,343 (15.3%)
Vacant Housing Units 2,811 (18.4%)
Median Home Value $78,191
Average Home Value $121,951


Total Households 12,470
Average Household Size 2.51
Family Households 8,350
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 -0.58% -0.78%
Households -0.51% -0.76%
Families -0.71% -0.89%
Median Household Income   2.66%
Per Capita Income   1.89%


Williamsburg County SC - Peer Comparisons by Rank and Percentile

The table below compares Williamsburg County to the other 46 counties and county equivalents in South Carolina by rank and percentile using July 1, 2018 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 # 30 37th
Population Density # 43 9th
Diversity Index # 33 30th
Median Household Income # 45 4th
Per Capita Income # 44 7th

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