Resident Population in La Crosse County, WI was 120.48600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in La Crosse County, WI reached a record high of 120.93000 in January of 2020 and a record low of 80.46800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in La Crosse County, WI - last updated from the United States Federal Reserve on May of 2024.