Resident Population in Hampton County, SC was 18.17200 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Hampton County, SC reached a record high of 21.32800 in January of 2000 and a record low of 15.87800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Hampton County, SC - last updated from the United States Federal Reserve on April of 2026.