In 2021, Charleston County, SC had a population of 405k people with a median age of 38.4 and a median household income of $70,807. Between 2020 and 2021 the population of Charleston County, SC declined from 407,543 to 404,946, a −0.637% decrease and its median household income grew from $67,182 to $70,807, a 5.4% increase.
The 5 largest ethnic groups in Charleston County, SC are White (Non-Hispanic) (64.9%), Black or African American (Non-Hispanic) (25.2%), White (Hispanic) (2.52%), Two+ (Non-Hispanic) (2.43%), and Other (Hispanic) (1.7%).
None of the households in Charleston 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.
96.6% of the residents in Charleston County, SC are U.S. citizens.
The largest universities in Charleston County, SC are College of Charleston (2,417 degrees awarded in 2021), Trident Technical College (2,180 degrees), and Citadel Military College of South Carolina (1,074 degrees).
In 2021, the median property value in Charleston County, SC was $352,800, and the homeownership rate was 62.6%.
Most people in Charleston County, SC drove alone to work, and the average commute time was 24.3 minutes. The average car ownership in Charleston County, SC was 2 cars per household.