Sylvan Lake is a city in Oakland County in the U.S. state of Michigan.

[4] With a land area of 0.51 square miles (1.32 km2), Sylvan Lake is the fourth-smallest city by land area in the state after Clarkston, Petersburg, and neighboring Keego Harbor.

There were 864 housing units at an average density of 1,694.1 per square mile (654.1/km2).

34.9% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older.

There were 855 housing units at an average density of 1,629.1 per square mile (629.0/km2).

36.6% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older.

[14] About 10% of Sylvan Lake is within the West Bloomfield School District.