Dillon County is a county located in the state of South Carolina. Based on the 2010 census, the county's population was 32,062. The county seat is Dillon. Founded in 1910 from a portion of Marion County, Dillon is named for local booster J.W. Dillon.
Both Dillon County and the city of Dillon were named for prosperous local citizen James W. Dillon (1826-1913), an Irishman who settled there and led a campaign to bring the railroad into the community. The result of this effort was the construction of the Wilson Short Cut Railroad, which later became part of the Atlantic Coast Line Railroad, and which brought greater prosperity to the area by directly linking Dillon County to the national network of railroads
County QuickFacts: CensusBureau Quick Facts
Dillon County was named for James W. Dillon (1826-1913), a prominent local resident. The county seat was also named for him. Dillon County was formed in 1910 from Marion County. Swamps and rivers kept this section of the Pee Dee isolated for many years, but the construction of a railroad in the nineteenth century brought increased development. The residents primarily engaged in cotton and tobacco farming and in timber harvesting. Composer Carlisle Floyd was born in the Dillon County town of Latta
As reported by the Census Bureau, the county has a total area of 407 square miles (1,053 km2), of which, 405
square miles (1,049 km2) of it is land and 2 square miles (4 km2) of it (0.42%) is water.
Bordering counties are as follows: