With 420,264 people, Charleston County is a county in South Carolina. That puts it in the top 3% of US counties for household income. 50% of adults hold a bachelor's degree, against 36% nationally. The population is up 36% since 2000. That is roughly 28% ahead of the South Carolina median. 7% of residents were born outside the United States.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)29.7%(8,173)
US avg: 26.4%
Gulf War (1990s)27.6%(7,594)
US avg: 24.3%
Vietnam era31.4%(8,648)
US avg: 33.1%
Korean War5.1%(1,414)
US avg: 4.5%
World War II0.4%(98)
US avg: 1%
Share of the 27,518 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
How many people live in Charleston County, South Carolina?
Charleston County, South Carolina has about 420,264 residents according to the 2024 American Community Survey.
What is the median household income in Charleston County, South Carolina?
The typical household in Charleston County, South Carolina earns about $88,494 a year. Half of households make more than that, and half make less.
Is Charleston County, South Carolina expensive?
In Charleston County, South Carolina, the median home is worth about $489,100, and the typical rent is about $1,620 a month.
How educated are people in Charleston County, South Carolina?
About 50.3% of adults age 25 and over in Charleston County, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Charleston County, South Carolina?
About 11.3% of people in Charleston County, South Carolina live below the federal poverty line.
Has Charleston County, South Carolina grown since 1990?
Yes, Charleston County, South Carolina has grown since 1990. The population has added about 125,225 residents, a change of about 42 percent over that period.