Estimated Percent of People Age 0-17 in Poverty for Marion County, IA was 8.50% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People Age 0-17 in Poverty for Marion County, IA reached a record high of 12.60 in January of 2014 and a record low of 7.70 in January of 2001. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of People Age 0-17 in Poverty for Marion County, IA - last updated from the United States Federal Reserve on May of 2024.