Estimated Percent of Related Children Age 5-17 in Families in Poverty for Jefferson County, IL was 19.40% 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 Jefferson County, IL reached a record high of 28.50 in January of 2014 and a record low of 16.90 in January of 2000. 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 Jefferson County, IL - last updated from the United States Federal Reserve on May of 2024.