Resident Population in Bremer County, IA was 25.30700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Bremer County, IA reached a record high of 25.30700 in January of 2023 and a record low of 22.51600 in January of 1988. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Bremer County, IA - last updated from the United States Federal Reserve on May of 2024.