Estimated Percent of People of All Ages in Poverty for Brown County, IL was 13.90% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People of All Ages in Poverty for Brown County, IL reached a record high of 16.70 in January of 2015 and a record low of 11.30 in January of 1999. 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 Brown County, IL - last updated from the United States Federal Reserve on May of 2024.