Charleston County, SC Map
Official Census boundary of Charleston County, South Carolina (FIPS 45019). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Charleston County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
420,264
Households
178,975
Median household income
$88,494
Median age
39.2 years
Median home value
$489,100
Median gross rent
$1,620/mo
Owner-occupied homes
63.9%
Bachelor's degree or higher
50.3%
Below poverty level
11.3%
Land area
918.2 sq mi
Population density
458 / sq mi