Charleston County Population 2018

Charleston County's estimated population is 401,438 with a growth rate of 1.23% in the past year according to the most recent United States census data. Charleston County is the 3rd largest county in South Carolina.

Year Population Growth Growth Rate
2017401,4384,8681.23%
2016396,5707,2411.86%
2015389,3299,4172.48%
2014379,9127,9262.13%
2013371,9867,0651.94%
2012364,9217,4292.08%
2011357,4926,4691.84%
2010351,02355,98418.98%
1990295,03918,0656.52%
1980276,97429,32411.84%
1970247,65031,26814.45%
1960216,38251,52631.26%
1950164,85643,75136.13%
1940121,10520,05519.85%
1930101,050-7,400-6.82%
1920108,45019,85622.41%
191088,5945880.67%
190088,00628,10346.91%
189059,903-42,897-41.73%
1880102,80013,93715.68%
187088,86318,76326.77%
186070,100-2,705-3.72%
185072,805-9,856-11.92%
184082,661-3,677-4.26%
183086,3386,1267.64%
182080,21217,03326.96%
181063,1795,6999.91%
180057,480-9,505-14.19%
179066,9850.00%

Charleston County Population Growth

Population Data via

Charleston County Race Data

Race Population Percentage
White265,68066.18%
Black or African American109,39027.25%
Asian6,1671.54%
Two or More Races6,0871.52%
American Indian and Alaska Native1,5830.39%
Native Hawaiian and Other Pacific Islander3840.10%

Charleston County Population Pyramid

0k5k10k15k20k Male Population0k5k10k15k20k Female Population8580757065605550454035302520151050
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