Jolmaville is a rural community and census-designated place (CDP) in Ashland County, Wisconsin, United States. As of the 2020 census, it had a population of 126.

The community is in northern Ashland County, within the. It is bordered to the west by Marengo. Ashland, the county seat, is 16 miles (26 km) to the northwest, while Mellen is 10 miles (16 km) to the southeast.