Marlboro County.
S.C. Code Ann. § 4-3-390
in effectMarlboro County is bounded as follows: on the west by the Great Pee Dee River, which separates it from the counties of Chesterfield, Darlington and Florence; and on the southeast by Dillon County, from which it is divided by a line drawn from a dead pine on the North Carolina line S. 22.5° W. 24.75 miles until it intersects the Great Pee Dee River.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.scstatehouse.gov/code/t04c003.phpFetched: 10/17/2026
