Estimated Percent of Related Children Age 5-17 in Families in Poverty for Union County, TN was 20.80% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of Related Children Age 5-17 in Families in Poverty for Union County, TN reached a record high of 40.40 in January of 2010 and a record low of 20.80 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of Related Children Age 5-17 in Families in Poverty for Union County, TN - last updated from the United States Federal Reserve on May of 2024.