In 2022, Barnwell County, SC had a population of 20.7k people with a median age of 40.9 and a median household income of $42,470. Between 2021 and 2022 the population of Barnwell County, SC declined from 20,801 to 20,653, a −0.712% decrease and its median household income grew from $38,237 to $42,470, a 11.1% increase.
The 5 largest ethnic groups in Barnwell County, SC are White (Non-Hispanic) (49.8%), Black or African American (Non-Hispanic) (44%), Two+ (Non-Hispanic) (2.01%), White (Hispanic) (1.82%), and Other (Non-Hispanic) (1.05%).
None of the households in Barnwell County, SC reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.3% of the residents in Barnwell County, SC are U.S. citizens.
In 2022, the median property value in Barnwell County, SC was $97,100, and the homeownership rate was 71.1%.
Most people in Barnwell County, SC drove alone to work, and the average commute time was 29.7 minutes. The average car ownership in Barnwell County, SC was 2 cars per household.
Barnwell County, SC borders Burke County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, and Orangeburg County, SC.