Viola is a village in Richland (mostly) and Vernon counties in the U.S. state of Wisconsin.

As of the census[3] of 2010, there were 699 people, 279 households, and 184 families living in the village.

There were 331 housing units at an average density of 331.0 per square mile (127.8/km2).

27.2% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.

There were 319 housing units at an average density of 302.7 per square mile (117.3/km2).

31.0% of all households were made up of individuals, and 16.9% had someone living alone who was 65 years of age or older.