Dorchester County SC Information


Dorchester County Subdivisions

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


Total Population 159,848
Population in Households 157,976
Population in Familes 134,282
Population in Group Qrtrs 1,872
Population Density1 279
Diversity Index2 53


Median Household Income $60,370
Average Household Income $76,364
Per Capita Income $28,020


Total Housing Units 63,204 (100%)
Owner Occupied HU 41,458 (65.6%)
Renter Occupied HU 16,819 (26.6%)
Vacant Housing Units 4,927 ( 7.8%)
Median Home Value $193,216
Average Home Value $234,879


Total Households 58,277
Average Household Size 2.71
Family Households 42,152
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 1.93% 1.84%
Households 1.81% 1.77%
Families 1.64% 1.66%
Median Household Income   2.62%
Per Capita Income   2.51%


Dorchester County SC - Peer Comparisons by Rank and Percentile

The table below compares Dorchester 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 # 12 76th
Population Density # 10 80th
Diversity Index # 25 48th
Median Household Income # 3 96th
Per Capita Income # 9 83rd

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