Resident Population in Douglas County, WI was 44.26400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Douglas County, WI reached a record high of 46.40000 in January of 1972 and a record low of 41.57400 in January of 1988. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Douglas County, WI - last updated from the United States Federal Reserve on May of 2024.