Mount Pleasant is a city in the U.S. state of Michigan and the county seat of Isabella County. As of the 2000 census, the city population was 25,946. The 2008 census estimate places the population at 26,675. Part of the city (with a population of 8,741) is on the Isabella Indian Reservation, site of the Soaring Eagle Casino. The city is also home to the main campus of Central Michigan University.