Marlboro County Population 2018

Marlboro County's estimated population is 26,825 with a growth rate of -0.78% in the past year according to the most recent United States census data. Marlboro County is the 35th largest county in South Carolina.

Year Population Growth Growth Rate
201726,825-211-0.78%
201627,036-543-1.97%
201527,579-444-1.58%
201428,023-38-0.14%
201328,061-176-0.62%
201228,237-314-1.10%
201128,551-364-1.26%
201028,915-446-1.52%
199029,361-2,273-7.19%
198031,6344,48316.51%
197027,151-1,378-4.83%
196028,529-3,237-10.19%
195031,766-1,515-4.55%
194033,2811,6475.21%
193031,634-1,546-4.66%
192033,1801,9916.38%
191031,1893,55012.84%
190027,6394,13917.61%
189023,5002,90214.09%
188020,5988,78474.35%
187011,814-620-4.99%
186012,4341,64515.25%
185010,7892,38128.32%
18408,408-174-2.03%
18308,5822,15733.57%
18206,4251,45929.38%
18104,966-486-8.91%
18005,452-5,254-49.08%
179010,7060.00%

Marlboro County Population Growth

Population Data via

Marlboro County Race Data

Race Population Percentage
Black or African American14,13752.70%
White11,39342.47%
American Indian and Alaska Native1,3374.98%
Two or More Races5432.02%
Asian1220.45%
Native Hawaiian and Other Pacific Islander90.03%

Marlboro County Population Pyramid

0k0k0k1k1k1k1k Male Population0k0k0k1k1k1k1k 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