S.C. Code Ann. § 7-7-240
In Edgefield County there shall be the following voting precincts: Edgefield No. 1; Edgefield No. 2; Kendall; Johnston No. 1; Johnston No. 2; Trenton; Merriweather; West Side; Harmony; North Side; and Brunson.
The precinct lines defining the above precincts are as shown on maps filed with the Clerk of Court of the county and also on file with the State Election Commission as provided and maintained by the Division of Research and Statistical Services of the State Budget and Control Board.