Estimate of People of All Ages in Poverty in Mercer County, IL was 1318.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Estimate of People of All Ages in Poverty in Mercer County, IL reached a record high of 1898.00000 in January of 1993 and a record low of 1233.00000 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of People of All Ages in Poverty in Mercer County, IL - last updated from the United States Federal Reserve on May of 2024.