Resident Population in Ashland County, WI was 16.07900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Ashland County, WI reached a record high of 17.39100 in January of 1981 and a record low of 15.50600 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ashland County, WI - last updated from the United States Federal Reserve on May of 2024.