Capac is a village in Mussey Township, St. Clair County in the U.S. state of Michigan.

Capac was founded and platted by a group of men from Romeo headed by George R. Funstan and Judge DeWitt C. Walker in 1857.

A nearby post office named "Pinery" was transferred to and renamed "Capac" in January 1858.

Roman Gribbs, mayor of Detroit from 1970 to 1974, was raised near Capac.

[5] As of the census[7] of 2010, there were 1,890 people, 704 households, and 470 families living in the village.

27.7% of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older.

21.5% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.