Percent of Population Below the Poverty Level (5-year estimate) in Macoupin County, IL was 14.70% in January of 2022, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in Macoupin County, IL reached a record high of 15.00 in January of 2021 and a record low of 12.10 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in Macoupin County, IL - last updated from the United States Federal Reserve on May of 2024.