Barnwell County

Barnwell County is a county in South Carolina, United States. The population in Barnwell County was 20,414 in 2022. The median age in Barnwell County was 41.3 in 2021. The median income in Barnwell County was $25,446 in 2021. The unemployment rate in Barnwell County was 4.9% in 2023. The percentage of people with obesity in Barnwell County was 46.3% in 2021. The percentage of people who binge drink in Barnwell County was 15.6% in 2021. The percentage of people who smoke in Barnwell County was 24% in 2021.