Dowagiac (/dəˈwɑːdʒæk/ də-WAH-jak) is a city in Cass County in the U.S. state of Michigan.

The city name comes from the Potawatomi word dewje'og meaning "fishing [near home] water".

[5] Dowagiac is the headquarters of the Pokagon Band of Potawatomi Indians and is also contained within the reservation.

[7] Dowagiac gained national attention in June 1964 after police began investigating multiple reports of what became known as the Dewey Lake Monster.

[9] Dowagiac Woods Nature Sanctuary, commonly referred to as Dowagiac Woods, a 235 acres (0.95 km2) woods located in Cass, is a non-profit organization dedicated to protecting Michigan's exceptional natural habitats and extraordinary and endangered plants and animals.

It is joined first by the "Red Run" and then by the "Lake of the Woods Drain" near the southern edge of Hamilton Township, it becomes the "Dowagiac River" before entering Wayne Township in Cass County.

30.9% of all households were made up of individuals, and 13% had someone living alone who was 65 years of age or older.

31.9% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older.

The service is provided by the city administration and is operated from a multi-modal terminal located on an Amtrak line.

Dowagiac is served by Amtrak trains with daily service to Chicago and Detroit.

Baggage cannot be checked at this location; however, up to two suitcases in addition to any personal items such as briefcases, purses, laptop bags, and infant equipment are allowed aboard as carry-ons.