Estimated Percent of People Age 0-17 in Poverty for Mellette County, SD was 42.20% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People Age 0-17 in Poverty for Mellette County, SD reached a record high of 67.80 in January of 1989 and a record low of 34.00 in January of 1999. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of People Age 0-17 in Poverty for Mellette County, SD - last updated from the United States Federal Reserve on May of 2024.