Resident Population in Abbeville County, SC was 24.60700 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Abbeville County, SC reached a record high of 26.25800 in January of 2001 and a record low of 21.11200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Abbeville County, SC - last updated from the United States Federal Reserve on April of 2026.