Resident Population in Berrien County, MI was 152.26100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Berrien County, MI reached a record high of 174.90000 in January of 1976 and a record low of 152.26100 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Berrien County, MI - last updated from the United States Federal Reserve on May of 2024.