is onalaska wi a city or town
For the adjacent city, see Onalaska, Wisconsin. Onalaska is a town in La Crosse County, Wisconsin, United States. The population was 5,623 at the 2010 census. The City of Onalaska borders the town, as does the village of Holmen. The CDP of Brice Prairie is located in the western part of the Town of Onalaska.