Estimated Percent of People of All Ages in Poverty for Marshall County, SD was 12.50% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People of All Ages in Poverty for Marshall County, SD reached a record high of 15.50 in January of 1989 and a record low of 10.30 in January of 2004. 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 Marshall County, SD - last updated from the United States Federal Reserve on May of 2024.