Estimated Percent of People Age 0-17 in Poverty for Grundy County, IA was 6.90% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People Age 0-17 in Poverty for Grundy County, IA reached a record high of 10.10 in January of 1989 and a record low of 5.30 in January of 2002. 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 Grundy County, IA - last updated from the United States Federal Reserve on May of 2024.