Castle Museum (Saginaw, Michigan)

	Castle Station
	U.S. National Register of Historic Places
	Michigan State Historic Site
	The Castle Museum of Saginaw County History
	Interactive map showing the location of Castle Station
Location	500 Federal Ave.,; Saginaw, Michigan
Coordinates	43°25′52″N 83°56′08″W / 43.4311°N 83.9355°W
Area	1.4 acres (0.57 ha)
Built	1898
Architect	William M. Aiken, Carl Macomber
Architectural style	Renaissance
Website	www.castlemuseum.org
NRHP reference No.	72000652
Added to NRHP	January 13, 1972

The Castle Museum, previously known as Castle Station or Saginaw Post Office, in Saginaw, Michigan, United States is a historic structure on the National Register of Historic Places. It is currently the home of the Historical Society of Saginaw County and officially known as the Castle Museum of Saginaw County History.