Union County SC Information


Union County Subdivisions

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


Total Population 28,317
Daytime Population: Workers 9,195
Daytime Population: Residents 16,659
Total Daytime Population (TDP) 25,854
Ratio TDP/Total Population1 0.91
Population in Households 27,813
Population in Familes 22,765
Population in Group Qrtrs 504
Population Density2 55
Diversity Index3 48


Median Household Income $38,093
Average Household Income $50,425
Per Capita Income $21,180


Total Housing Units 14,029 (100%)
Owner Occupied HU 8,276 (59.0%)
Renter Occupied HU 3,356 (23.9%)
Vacant Housing Units 2,397 (17.1%)
Median Home Value $81,820
Average Home Value $112,092


Total Households 11,632
Average Household Size 2.39
Family Households 7,758
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 -0.31% -0.46%
Households -0.4% -0.53%
Families -0.58% -0.65%
Median Household Income   2.69%
Per Capita Income   3.06%


Union County SC - Peer Comparisons by Rank and Percentile

The table below compares Union 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 # 34 28th
Population Density # 32 33rd
Diversity Index # 37 22nd
Median Household Income # 29 39th
Per Capita Income # 29 39th

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