Total Population in Marion County, SC
ACS 2024 5-Year Estimates
28,664
Rank #1,516/3,222 · #32 in SC
53th
Marion 28,664
SC 5,296,225 -99.5%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Marion County's total population of 28,664 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 Marion County for total population.
Nearby Rankings
Full ranking →| #1,513 | Adams County, MS | 28,803 |
| #1,514 | Codington County, SD | 28,767 |
| #1,515 | Jones County, GA | 28,673 |
| #1,516 | Marion County, SC | 28,664 |
| #1,517 | Carroll County, TN | 28,641 |
| #1,518 | Carroll County, AR | 28,626 |
| #1,519 | Garrett County, MD | 28,615 |
About Total Population
Marion County, South Carolina has a total population of 28,664, ranking #1,516 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within South Carolina, it ranks #32 of 46. This places it in the 53th 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.