Resident Population in Floyd County, IA was 15.32600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Floyd County, IA reached a record high of 21.00000 in January of 1971 and a record low of 15.32600 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Floyd County, IA - last updated from the United States Federal Reserve on May of 2024.