Onalaska is a city in La Crosse County, Wisconsin, United States. The population was 18,803 at the 2020 census. It borders the larger La Crosse, Wisconsin, and is a part of the La Crosse-Onalaska, WI-MN Metropolitan Area.
Downtown Onalaska
Lake Onalaska
Luther High School
Onalaska Omni Center
La Crosse County, Wisconsin
La Crosse County is a county located in the U.S. state of Wisconsin. At the 2020 census, the population was 120,784. Its county seat is La Crosse. La Crosse County is included in the La Crosse-Onalaska, WI-MN Metropolitan Statistical Area with a population of 139,627 and is the most populous county on Wisconsin's western border.
La Crosse County Courthouse