Charleston, county (1,357 sq mi/3,515 sq km; 1990 pop. 295,039), SE S.C.; Charleston; 32°49'N 79°54'W. Extends along Atlantic Coast, from mouth of South Edisto R. (SW) to mouth of Santee R. (NE). Much of Intracoastal Waterway passes inland parallel to coast. Sea Islands here (notably Edisto, Wadmalaw, Johns, James, Kiawah, Seabrook, Folly isls.). Has many popular coast resorts (notably Kiawah, Seabrook, Folly Beach, and Isle of Palms); Fort Sumter Natl. Monument, Fort Moultrie, Castle Pinckney Natl. Monument are in Charleston Harbor. Part of Francis Marion Natl. Forest in NE. County was a rich plantation region in antebellum days; now has chief mfg. and shipping center of the state (Charleston), some agr. (sweet potatoes, corn, vegetables; hogs, cattle); fisheries, hunting. Formed 1785.
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