Charleston, South Carolina Metro Area Counties

3 counties · 889,263 people (2025) · 2,590 sq mi

The Charleston, South Carolina metro area (officially the Charleston-North Charleston, SC Metropolitan Statistical Area) has 3 counties in South Carolina, with 889,263 people in 2025. Charleston County is the most populous.

Map of the 3 counties of the Charleston, South Carolina metro area with county names and major cities
The 3 counties of the Charleston, South Carolina metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

The 3 counties of the Charleston, South Carolina metro area

Sorted by population.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Charleston CountyCharleston436,200+6.8%918Central
Berkeley CountyMoncks Corner274,666+19.5%1,104Central
Dorchester CountySt. George178,397+10.6%568Central

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of South Carolina

Other metro areas

All 97 metro area county maps

Sources