Woodhaven, MI. Sponsored Topics. Woodhaven is a city in Wayne County in the U.S. state of Michigan. As of the 2000 census, the city population was 12,530. It is part of a collection of 18 suburban communities known as Downriver. Woodhaven was initially incorporated as a village in 1961, and was named after Woodhaven, a village in the Borough of Queens, New York City.