Total Population in Fairfield County, SC
ACS 2024 5-Year Estimates
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Fairfield County's total population of 20,550 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Fairfield County for total population.
Nearby Rankings
Full ranking →| #1,845 | Gem County, ID | 20,614 |
| #1,846 | Carroll County, IA | 20,594 |
| #1,847 | Lavaca County, TX | 20,552 |
| #1,848 | Fairfield County, SC | 20,550 |
| #1,849 | Coahoma County, MS | 20,540 |
| #1,850 | Carroll County, IN | 20,535 |
| #1,851 | Barnwell County, SC | 20,521 |
About Total Population
Fairfield County, South Carolina has a total population of 20,550, ranking #1,848 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within South Carolina, it ranks #38 of 46. This places it in the 43th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.