Dorchester County Population 2017

Dorchester County's estimated population is 153,773 with a growth rate of 0.81% in the past year according to the most recent United States census data. Dorchester County is the 12th largest county in South Carolina.

Year Population Growth Growth Rate
2016153,7731,2370.81%
2015152,5364,0372.72%
2014148,4993,1892.19%
2013145,3102,8442.00%
2012142,4662,3941.71%
2011140,0722,5671.87%
2010137,50554,44565.55%
199083,06024,29941.35%
198058,76126,48582.06%
197032,2767,89332.37%
196024,3831,7827.88%
195022,6012,67313.41%
194019,9289725.13%
193018,956-503-2.58%
192019,4591,5688.76%
191017,8911,5979.80%
190016,2940.00%

Dorchester County Population Growth

Population Data via

Dorchester County Race Data

Race Population Percentage
White105,19468.41%
Black or African American39,16325.47%
Two or More Races4,0722.65%
Asian2,8271.84%
American Indian and Alaska Native1,0620.69%
Native Hawaiian and Other Pacific Islander2180.14%

Dorchester County Population Pyramid

0k1k2k3k4k5k6kDorchester County Male Population0k1k2k3k4k5k6kDorchester County Female Population

Population of Cities in Dorchester County

City 2010 Census 2016 Estimated Growth Growth Rate
North Charleston976321092981166611.95%
Summerville4260549323671815.77%
Ridgeville19671780-187-9.51%
Harleyville667690233.45%
Reevesville194206126.19%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990