Estimated Percent of People of All Ages in Poverty for Whiteside County, IL was 12.90% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People of All Ages in Poverty for Whiteside County, IL reached a record high of 13.20 in January of 2011 and a record low of 8.30 in January of 1995. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of People of All Ages in Poverty for Whiteside County, IL - last updated from the United States Federal Reserve on May of 2024.