Resident Population in Lake County, MN was 10.69800 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Lake County, MN reached a record high of 13.50000 in January of 1971 and a record low of 10.40000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lake County, MN - last updated from the United States Federal Reserve on April of 2026.