National Register of Historic Places listings in Ionia County, Michigan explained

The following is a list of Registered Historic Places in Ionia County, Michigan.

|}

See also

• List of Michigan State Historic Sites in Ionia County, Michigan
• List of National Historic Landmarks in Michigan
• National Register of Historic Places listings in Michigan
• Listings in neighboring counties: Barry, Clinton, Eaton, Gratiot, Kent, Montcalm