Marion County Population 2017

Marion County's estimated population is 31,726 with a growth rate of -0.01% in the past year according to the most recent United States census data. Marion County is the 31st largest county in South Carolina.

Year Population Growth Growth Rate
201631,726-3-0.01%
201531,729-192-0.60%
201431,921-152-0.47%
201332,073-352-1.09%
201232,425-359-1.10%
201132,784-173-0.52%
201032,957-942-2.78%
199033,899-280-0.82%
198034,1793,90912.91%
197030,270-1,744-5.45%
196032,014-1,096-3.31%
195033,1103,0039.97%
194030,1072,88610.60%
193027,2213,50014.75%
192023,7213,12515.17%
191020,596-14,585-41.46%
190035,1815,20517.36%
189029,976-4,131-12.11%
188034,10711,94753.91%
187022,1609704.58%
186021,1903,78321.73%
185017,4073,47524.94%
184013,9322,72424.30%
183011,2081,0079.87%
182010,2011,31714.82%
18108,8841,97028.49%
18006,9140.00%

Marion County Population Growth

Population Data via

Marion County Race Data

Race Population Percentage
Black or African American17,97656.66%
White12,91940.72%
Two or More Races4041.27%
American Indian and Alaska Native2230.70%
Asian2020.64%
Native Hawaiian and Other Pacific Islander50.02%

Marion County Population Pyramid

0k0k0k1k1k1k1k1kMarion County Male Population0k0k0k1k1k1k1k1kMarion County Female Population

Population of Cities in Marion County

City 2010 Census 2016 Estimated Growth Growth Rate
Marion69396711-228-3.29%
Mullins46724524-148-3.17%
Sellers219213-6-2.74%
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