The following is a list of Michigan State Historic Sites in Iron County, Michigan. Sites marked with a dagger (†) are also listed on the National Register of Historic Places in Iron County, Michigan.__TOC__
| width="30%" | Name | width="100px" | Image | Location | width="125px" | City | width="125px" | Listing date | |
|---|---|---|---|---|---|---|---|---|---|
| Caspian City Hall | 340 East Caspian Avenue | Caspian | |||||||
| Caspian Community Center† | 404 Brady Avenue | Caspian | |||||||
| EJAY Theatre | 304 Superior Avenue | Crystal Falls | |||||||
| First Roadside Park | US 2 | 4 miles east of Iron River | |||||||
| Gaastra City Hall | 1 Main and Valley Street | Gaastra | |||||||
| Nelson A. Holmes Farmstead† | 2614 M-189 | Iron River | |||||||
| James Innes Building | 414 West Genesee Street | Iron River | |||||||
| Iron County Courthouse† | West end of Superior Avenue | Crystal Falls | |||||||
| Iron County Informational Designation | Iron County Courthouse front lawn, west end of Superior Avenue | Crystal Falls | |||||||
| Iron Inn | 202 West Adams | Iron River | |||||||
| Italian Society Duke of Abruzzi Hall† | East side of McGillis Avenue between Morgan and Sawyer streets | Caspian | |||||||
| Donald C. MacKinnon House† (demolished) | 411 North Ninth Street | Iron River | |||||||
| Ojibwe Indian Village and Burial Ground | 1630 Co. Rd. 424 | Crystal Falls | |||||||
| Wisconsin-Michigan Boundary Survey Informational Designation | T41N, R32W, Sec. 9, where US 2 crosses the Brule River | Alpha vicinity |