Charleston County, South Carolina
Charleston County, South Carolina, had an estimated population of 436,200 in 2025 across 2,378 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among South Carolina's counties and nationally.
- Population
- 436,200
- 2025 estimate
- Area
- 2,378 km²
- Density
- 183
- per km²
- Median income
- $88,494
- household, ACS 2024
- Median age
- 39.2
- years, ACS 2024
How South Carolina's counties spread
Amenities & Infrastructure
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| Households with Broadband2024 | 88.9% | 12 / 46 | 1,093 / 3,144 |
| Median Gross Rent2024 | $1,620 | 3 / 46 | 177 / 3,137 |
| Median Home Value2024 | $489,100 | 1 / 46 | 146 / 3,139 |
| Owner-Occupied Homes2024 | 63.9% | 42 / 46 | 2,732 / 3,144 |
| Vacant Homes2024 | 14.7% | 26 / 46 | 1,470 / 3,144 |
Demography
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 17.9% | 36 / 46 | 2,189 / 3,144 |
| American Indian & Alaska Native2024 | 0.1% | 23 / 46 | 1,566 / 3,144 |
| Asian, non-Hispanic2024 | 1.8% | 9 / 46 | 584 / 3,144 |
| Average Household Size2024people | 2.3 | 40 / 46 | 2,402 / 3,144 |
| Black, non-Hispanic2024 | 22.7% | 33 / 46 | 421 / 3,144 |
| Foreign-Born2024 | 6.7% | 7 / 46 | 694 / 3,144 |
| Hispanic or Latino2024 | 7.2% | 13 / 46 | 1,187 / 3,144 |
| Median Age2024years | 39.2 | 38 / 46 | 2,246 / 3,144 |
| Sex Ratio2024per 1,000 males | 1,063 | 18 / 46 | 355 / 3,144 |
| Speak a Language Other Than English2024 | 9.0% | 10 / 46 | 1,019 / 3,144 |
| Under 182024 | 19.5% | 31 / 46 | 2,407 / 3,144 |
| Veterans2024 | 8.2% | 16 / 46 | 957 / 3,144 |
| White, non-Hispanic2024 | 64.5% | 16 / 46 | 2,247 / 3,144 |
Economy
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 11.3% | 41 / 46 | 2,040 / 3,144 |
| Households on SNAP2024 | 6.4% | 45 / 46 | 2,658 / 3,144 |
| Income Inequality2024index | 0.511 | 3 / 46 | 157 / 3,144 |
| Median Household Income2024 | $88,494 | 2 / 46 | 338 / 3,143 |
| Per Capita Income2024 | $56,921 | 1 / 46 | 106 / 3,144 |
| Unemployment Rate2024 | 3.5% | 43 / 46 | 2,148 / 3,144 |
Education
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 50.3% | 1 / 46 | 95 / 3,144 |
| High School or Higher2024 | 93.5% | 2 / 46 | 628 / 3,144 |
Health Coverage
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| No Health Insurance2024 | 8.3% | 40 / 46 | 1,433 / 3,144 |
| With a Disability2024 | 11.2% | 45 / 46 | 2,841 / 3,144 |
Population & Density
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| Population2025 | 436,200 | 2 / 46 | 172 / 3,144 |
| Population Density2025/km² | 183 | 3 / 46 | 292 / 3,144 |
Work & Commute
| Indicator | Value | In South Carolina | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 0.9% | 4 / 46 | 453 / 3,144 |
| Households with No Vehicle2024 | 5.9% | 25 / 46 | 1,276 / 3,144 |
| Mean Commute Time2024minutes | 25.1 | 33 / 46 | 1,345 / 3,143 |
| Work from Home2024 | 17.7% | 2 / 46 | 222 / 3,144 |
Other counties of South Carolina
- Abbeville County
- Aiken County
- Allendale County
- Anderson County
- Bamberg County
- Barnwell County
- Beaufort County
- Berkeley County
- Calhoun County
- Cherokee County
- Chester County
- Chesterfield County
- Clarendon County
- Colleton County
- Darlington County
- Dillon County
- Dorchester County
- Edgefield County
- Fairfield County
- Florence County
- Georgetown County
- Greenville County
- Greenwood County
- Hampton County
- Horry County
- Jasper County
- Kershaw County
- Lancaster County
- Laurens County
- Lee County
- Lexington County
- Marion County
- Marlboro County
- McCormick County
- Newberry County
- Oconee County
- Orangeburg County
- Pickens County
- Richland County
- Saluda County
- Spartanburg County
- Sumter County
- Union County
- Williamsburg County
- York County
Compare Charleston County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.