Estimated Percent of People of All Ages in Poverty for Union County, SD was 6.00% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People of All Ages in Poverty for Union County, SD reached a record high of 12.70 in January of 1989 and a record low of 5.90 in January of 2018. 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 Union County, SD - last updated from the United States Federal Reserve on May of 2024.