Fairfield County Flag

Fairfield County

County Seat:

Fairfield County's estimated 2025 population is 20,346 with a growth rate of -0.11% in the past year according to the most recent United States census data. Fairfield County is the 39th largest county in South Carolina. The 2010 population was 23,860 and has seen a growth of -14.73% since that time.

20,346
Total Population
30
Population Density (mi²)
39
Population Rank (State)
-23 -0.11%
Annual Population Growth

Fairfield County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)