Estimated Percent of Related Children Age 5-17 in Families in Poverty for Rock Island County, IL was 21.30% 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 Rock Island County, IL reached a record high of 24.90 in January of 2016 and a record low of 14.40 in January of 1989. 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 Rock Island County, IL - last updated from the United States Federal Reserve on May of 2024.