Resident Population in Bamberg County, SC was 12.79600 Thous. of Persons in January of 2025, according to the United States Federal Reserve. Historically, Resident Population in Bamberg County, SC reached a record high of 18.11800 in January of 1980 and a record low of 12.79600 in January of 2025. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Bamberg County, SC - last updated from the United States Federal Reserve on May of 2026.