Mulliken is a village in Eaton County in the U.S. state of Michigan.

According to the United States Census Bureau, the village has a total area of 1.04 square miles (2.69 km2), all land.

There were 223 housing units at an average density of 214.4 per square mile (82.8/km2).

16.8% of all households were made up of individuals, and 5% had someone living alone who was 65 years of age or older.

There were 201 housing units at an average density of 192.8 per square mile (74.4/km2).

15.4% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older.