Estimated Percent of People Age 0-17 in Poverty for Johnson County, TN was 29.50% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People Age 0-17 in Poverty for Johnson County, TN reached a record high of 41.70 in January of 2009 and a record low of 26.30 in January of 1998. 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 Johnson County, TN - last updated from the United States Federal Reserve on May of 2024.