zip code saginaw mi
Welcome to SAGINAW, MI 48604. 48604 is a suburban zip code in Saginaw, Michigan. The population is primarily white, younger, and about evenly divided between singles and married couples. Housing prices here (average $90,900) are fairly typical for the Saginaw-Saginaw Township North metro area.8604 is a suburban zip code in Saginaw, Michigan. The population is primarily white, younger, and about evenly divided between singles and married couples.