In 2023, Blenheim, SC had a population of 46 people with a median age of 35.2 and a median household income of $66,667. Between 2022 and 2023 the population of Blenheim, SC declined from 63 to 46, a −27% decrease and its median household income grew from $N/A to $66,667, a Infinityk% increase.
The 5 largest ethnic groups in Blenheim, SC are White (Non-Hispanic) (76.1%), American Indian & Alaska Native (Non-Hispanic) (13%), Black or African American (Non-Hispanic) (8.7%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (2.17%), and Asian (Non-Hispanic) (0%).
None of the households in Blenheim, 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.
100% of the residents in Blenheim, SC are U.S. citizens.
In 2023, the median property value in Blenheim, SC was $142,500, and the homeownership rate was 86.4%.