In 2020, Williamsburg County, SC had a population of 30.8k people with a median age of 43.3 and a median household income of $35,681. Between 2019 and 2020 the population of Williamsburg County, SC declined from 31,324 to 30,810, a −1.64% decrease and its median household income grew from $32,485 to $35,681, a 9.84% increase.
The 5 largest ethnic groups in Williamsburg County, SC are Black or African American (Non-Hispanic) (64.1%), White (Non-Hispanic) (31.4%), Other (Hispanic) (1.28%), Two+ (Non-Hispanic) (0.824%), and Asian (Non-Hispanic) (0.633%).
None of the households in Williamsburg 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.
98.8% of the residents in Williamsburg County, SC are U.S. citizens.
The largest universities in Williamsburg County, SC are Williamsburg Technical College (100 degrees awarded in 2020).
In 2020, the median property value in Williamsburg County, SC was $73,900, and the homeownership rate was 72.3%.
Most people in Williamsburg County, SC drove alone to work, and the average commute time was 31.7 minutes. The average car ownership in Williamsburg County, SC was 2 cars per household.
Williamsburg County, SC borders Berkeley County, SC, Clarendon County, SC, Florence County, SC, Georgetown County, SC, and Marion County, SC.