Resident Population in Scott County, IA was 174.27000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Scott County, IA reached a record high of 174.59600 in January of 2020 and a record low of 142.68700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Scott County, IA - last updated from the United States Federal Reserve on May of 2024.