Resident Population in Benton County, MN was 41.60000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Benton County, MN reached a record high of 41.60000 in January of 2023 and a record low of 20.84100 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Benton County, MN - last updated from the United States Federal Reserve on May of 2024.