Resident Population in Brown County, MN was 25.71000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Brown County, MN reached a record high of 29.60000 in January of 1972 and a record low of 24.96500 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Brown County, MN - last updated from the United States Federal Reserve on September of 2025.