Resident Population in Pottawattamie County, IA was 93.17900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Pottawattamie County, IA reached a record high of 93.67000 in January of 2020 and a record low of 82.69700 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Pottawattamie County, IA - last updated from the United States Federal Reserve on May of 2024.