Potter Lake is a census-designated place (CDP) in the town of East Troy, Walworth County, Wisconsin, United States.

As of the census[2] of 2000, there were 1,099 people, 415 households, and 331 families residing in the CDP.

There were 460 housing units at an average density of 326.4/sq mi (126.0/km2).

There were 415 households, out of which 34.9% had children under the age of 18 living with them, 72.0% were married couples living together, 4.3% had a female householder with no husband present, and 20.2% were non-families.

17.1% of all households were made up of individuals, and 4.1% had someone living alone who was 65 years of age or older.