City · United States
Onalaska
Onalaska is a city in La Crosse County, Wisconsin, United States. The population was 18,803 at the 2020 census. It is a principal city of the La Crosse–Onalaska metropolitan area.
Good to know
- Population: 18,468.
- Founded: 1851.
- Area: 28 sq km.
- Elevation: 216 m.
- Timezone: America/Chicago.