Casco is a village in Kewaunee County, Wisconsin, United States.

It is part of the Green Bay Metropolitan Statistical Area.

[7] As of the census[9] of 2010, there were 583 people, 230 households, and 155 families living in the village.

There were 247 housing units at an average density of 363.2 per square mile (140.2/km2).

28.3% of all households were made up of individuals, and 17.4% had someone living alone who was 65 years of age or older.

25.1% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older.