Median Age in Barnwell County, SC
ACS 2024 5-Year Estimates
40.4 years
Rank #2,004/3,222 · #31 in SC
38th
Barnwell 40.4 years
SC 40.2 years +0.5%
US 38.9 years +3.9%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Barnwell County's median age of 40.4 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Barnwell County for median age.
Nearby Rankings
Full ranking →| #2,001 | Cuyahoga County, OH | 40.4 years |
| #2,002 | Creek County, OK | 40.4 years |
| #2,003 | Mayes County, OK | 40.4 years |
| #2,004 | Barnwell County, SC | 40.4 years |
| #2,005 | Cherokee County, SC | 40.4 years |
| #2,006 | Kershaw County, SC | 40.4 years |
| #2,007 | Codington County, SD | 40.4 years |
About Median Age
Barnwell County, South Carolina has a median age of 40.4 years, ranking #2,004 of 3,222 counties nationwide — 3.9% above the national value of 38.9 years. Within South Carolina, it ranks #31 of 46. This places it in the 38th percentile nationally.
The median age of the total population. 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.