Crystal Lake is a town in Barron County in the U.S. state of Wisconsin.

U.S. Route 63 crosses the town from south to northeast, where it enters the adjacent city of Cumberland.

[4] As of the census[3] of 2000, there were 778 people, 312 households, and 223 families residing in the town.

There were 435 housing units at an average density of 13.3 per square mile (5.1/km2).

21.2% of all households were made up of individuals, and 9.0% had someone living alone who was 65 years of age or older.