Resident Population in Edgefield County, SC was 27.60700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Edgefield County, SC reached a record high of 27.60700 in January of 2023 and a record low of 15.40000 in January of 1972. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Edgefield County, SC - last updated from the United States Federal Reserve on May of 2024.