Estimated Percent of People of All Ages in Poverty for Marlboro County, SC was 28.70% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People of All Ages in Poverty for Marlboro County, SC reached a record high of 33.10 in January of 2010 and a record low of 20.00 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of People of All Ages in Poverty for Marlboro County, SC - last updated from the United States Federal Reserve on May of 2024.