In 2023, Barnwell, SC had a population of 4.62k people with a median age of 33.5 and a median household income of $43,239. 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 grew from $38,065 to $43,239, a 13.6% increase.
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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.
In 2023, the median property value in Barnwell, SC was $137,300, and the homeownership rate was 64.2%.
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.