Avoca is a village in Iowa County, Wisconsin, United States.

[6] As of the census[8] of 2010, there were 637 people, 261 households, and 169 families living in the village.

There were 347 housing units at an average density of 150.2 per square mile (58.0/km2).

28.4% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older.

There were 328 housing units at an average density of 144.5 per square mile (55.8/km2).

32.3% of all households were made up of individuals, and 15.6% had someone living alone who was 65 years of age or older.