Southgate is a city in Wayne County in the U.S. state of Michigan. The population was 30,047 at the 2020 census. Southgate was incorporated as a city in October 1958, which was one of the last remaining portions of the now-defunct Ecorse Township. It is part of the Downriver collection of communities south of the city of Detroit.

Wyandotte is a city in Wayne County in the U.S. state of Michigan. The population was 25,058 at the 2020 census.