In 2023, Barnwell, SC had a population of 4.62k people with a median age of 33.5 and a median household income of N/A. Between 2022 and 2023 the population of Barnwell, SC declined from 4,643 to 4,616, a −0.582% decrease and its median household income N/A from N/A to N/A, a N/A% N/A.
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None of the households in Barnwell, 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.
95.8% of the residents in Barnwell, SC are U.S. citizens.
Most people in Barnwell, SC drove alone to work, and the average commute time was 22.3 minutes. The average car ownership in Barnwell, SC was 2 cars per household.