Total Population in Barnwell County, SC
ACS 2024 5-Year Estimates
How Barnwell County Compares
National Distribution
Where Barnwell County falls among all 3,222 U.S. counties for total population.
■ Barnwell County: 20,521
Ranking Context
| Rank | County | Value |
|---|---|---|
| #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 |
| #1,852 | Carbon County, UT | 20,517 |
| #1,853 | Greene County, NC | 20,486 |
| #1,854 | Lincoln County, WY | 20,486 |
Total Population in Barnwell County, South Carolina
Barnwell County, South Carolina has a total population of 20,521, which ranks #1,851 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within South Carolina, Barnwell County ranks #39 of 46 out of 46 counties. This places it in the 43th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.