South Carolina Census & Demographic Data - July 1, 2018


South Carolina Census Data

The tables below provide updated data and demographic estimates for South Carolina as of July 1, 2018. Our South Carolina Census Data Comparison Tool allows you to compare and rank SC cities, towns, ZIP Codes and Counties.

South Carolina Data & Demographics (As of July 1, 2018)


Total Population 5,108,693
Population in Households 4,972,094
Population in Familes 4,035,762
Population in Group Qrtrs 136,599
Population Density2 170
Diversity Index3 55


Median Household Income $50,748
Average Household Income $69,944
Per Capita Income $27,697


Total Housing Units 2,355,340 (100%)
Owner Occupied HU 1,364,422 (57.9%)
Renter Occupied HU 625,001 (26.5%)
Vacant Housing Units 365,917 (15.5%)
Median Home Value $164,218
Average Home Value $225,456


Total Households 1,989,423
Average Household Size 2.5
Family Households 1,320,973
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 1.21% 1.25%
Households 1.21% 1.26%
Families 1.0% 1.13%
Median Household Income   2.16%
Per Capita Income   2.65%