Total Population in Charleston County, SC
ACS 2024 5-Year Estimates
How Charleston County Compares
National Distribution
Where Charleston County falls among all 3,222 U.S. counties for total population.
■ Charleston County: 420,264
Ranking Context
| Rank | County | Value |
|---|---|---|
| #173 | Cameron County, TX | 426,120 |
| #174 | Clackamas County, OR | 423,975 |
| #175 | Richland County, SC | 422,117 |
| #176 | Charleston County, SC | 420,264 |
| #177 | Placer County, CA | 419,156 |
| #178 | St. Charles County, MO | 414,535 |
| #179 | Lake County, FL | 412,924 |
Total Population in Charleston County, South Carolina
Charleston County, South Carolina has a total population of 420,264, which ranks #176 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within South Carolina, Charleston County ranks #3 of 46 out of 46 counties. This places it in the 95th 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.