Dorchester County SC Information


Dorchester County Subdivisions

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


Total Population 157,283
Daytime Population: Workers 42,401
Daytime Population: Residents 81,337
Total Daytime Population (TDP) 123,738
Ratio TDP/Total Population1 0.79
Population in Households 155,411
Population in Familes 131,687
Population in Group Qrtrs 1,872
Population Density2 274
Diversity Index3 53


Median Household Income $58,238
Average Household Income $72,868
Per Capita Income $26,855


Total Housing Units 62,286 (100%)
Owner Occupied HU 41,182 (66.1%)
Renter Occupied HU 16,390 (26.3%)
Vacant Housing Units 4,714 ( 7.6%)
Median Home Value $188,399
Average Home Value $226,316


Total Households 57,572
Average Household Size 2.7
Family Households 41,752
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 1.97% 2.03%
Households 1.89% 1.98%
Families 1.74% 1.88%
Median Household Income   2.32%
Per Capita Income   2.53%


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, 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 # 12 76th
Population Density # 10 80th
Diversity Index # 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.