Dorchester County SC Information


Dorchester County Subdivisions

Dorchester County SC Data & Demographics (As of July 1, 2016)


Total Population 152,358
Population in Households 150,366
Population in Familes 127,518
Population in Group Qrtrs 1,992
Population Density1 266
Diversity Index2 53


Total Households 55,666
Average Household Size 2.7
Family Households 40,397
Average Family Size 3


Total Housing Units 60,896 (100%)
Owner Occupied HU 39,108 (64.2%)
Renter Occupied HU 16,558 (27.2%)
Vacant Housing Units 5,230 ( 8.6%)
Median Home Value $187,452
Average Home Value $222,970


Median Household Income $56,103
Average Household Income $70,164
Per Capita Income $25,836
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.77% 1.82%
Households 1.65% 1.75%
Families 1.48% 1.64%
Median Household Income   2.03%
Per Capita Income   1.76%
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.


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, 2016 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 Density1 # 10 80th
Diversity Index2 # 24 50th
Median Household Income # 2 98th
Per Capita Income # 8 85th

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