Rio /ˈraɪ.oʊ/[5] (pronounced "rye-oh") is a village in Columbia County, Wisconsin, United States.

The current village president is James Thomas Olrick, who has been in office since 2011.

As of the census[3] of 2010, there were 1,059 people, 436 households, and 292 families living in the village.

There were 475 housing units at an average density of 377 per square mile (145.6/km2).

27.1% 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 401 housing units at an average density of 321.2 per square mile (123.9/km2).

26.1% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.

The field is privately owned and operated by Rio Aero Club Inc. Every year the Rio Aero Club Inc. hosts a fly-in breakfast.