The following is a list of Michigan State Historic Sites in Eaton County, Michigan. Sites marked with a dagger (†) are also listed on the National Register of Historic Places in Eaton County, Michigan.__TOC__
| width="30%" | Name | width="100px" | Image | Location | width="125px" | City | width="125px" | Listing date | |
|---|---|---|---|---|---|---|---|---|---|
| 1845 Eaton County Courthouse | 1305 South Cochran Avenue | Charlotte | |||||||
| Anderson House Informational Site | 101 South Main Street | Eaton Rapids | |||||||
| Bellevue Municipal Building | 201 North Main Street | Bellevue | |||||||
| William U. Benedict House | 125 West Main Street | Vermontville | |||||||
| Austin Blair Homesite Informational Site | 248 South Main Street | Eaton Rapids | |||||||
| Blake's Opera House | 121 South Bridge Street | Grand Ledge | |||||||
| Dwight I. Brackett House | 715 West Capital Avenue | Bellevue | |||||||
| Burrage Library | 333 South Main Street | Olivet | |||||||
| Center Eaton United Methodist Church | 2093 Narrow Lake Road | Charlotte | |||||||
| Henry Clements House | 5600 West Mt. Hope Highway | Delta Township | |||||||
| Delta Center Methodist Church Informational Designation | 7533 West St. Joe Highway | Delta Township | |||||||
| Delta Mills Grange No. 370 Hall | Delta River Drive at Webster Street | Delta Township | |||||||
| Delta Mills Informational Designation | Delta Mills Park, 7001 Old River Trail | Delta Mills | |||||||
| Delta Mills School Informational Site | 6816 Delta River Drive | Delta Township | |||||||
| Delta Township Informational Designation | 7710 West Saginaw Highway | Delta Township | |||||||
| Luren D. Dickinson Informational Designation | 1375 Brookfield Road | Delta Township | |||||||
| Dyer Lime Kiln | Sand Road, south of M-78 | Bellevue | |||||||
| Eaton County Courthouse† | 100 West Lawrence Avenue | Charlotte | |||||||
| First Congregational Church† | 106 South Bostwick | Charlotte | |||||||
| First Congregational Church† | 341 South Main Street at West Main | Vermontville | |||||||
| First Congregational Church | 125 College Street | Olivet | |||||||
| First Presbyterian Church, Dimondale | 162 North Bridge Street | Dimondale | |||||||
| Governor Frank Fitzgerald House | 219 West Jefferson Street | Grand Ledge | |||||||
| Gothic Mill† | 218 East Mill Street | Bellevue | |||||||
| Grand Ledge Chair Company Plant† | 101 Perry Street | Grand Ledge | |||||||
| Grand Ledge Clay Products(Demolished) | 3621 West Jefferson | Grand Ledge | |||||||
| Grand Trunk Western Railroad Depot | 210 South Main Street | Bellevue | |||||||
| Gresham United Methodist Church | 5055 Mulliken Road | Chester Township | |||||||
| John R. Hall House | 532 West Capital Avenue | Bellevue | |||||||
| Joseph and Mary Hall House | 320 West Harris Street | Charlotte | |||||||
| Hamlin Township District No. 15 School | 10248 Kinneville Road | Eaton Rapids | |||||||
| Hance House† | 217 Yale Street | Olivet | |||||||
| Hollenbeck-Butler House | 234 East Capital | Bellevue | |||||||
| Henry A. Hunsiker House | 123 Parkway | Bellevue | |||||||
| Island Park | Middle of the Grand River, Downtown Eaton Rapids | Eaton Rapids | |||||||
| Lawrence Avenue Methodist Episcopal Church | 210 East Lawrence Avenue | Charlotte | |||||||
| Main Street Historic District | 100-217 North Main Street | Bellevue | |||||||
| Michigan Central Railroad Charlotte Depot† | 430 Cochran Avenue | Charlotte | |||||||
| Miller Dairy Farm No. 1 | 635 E. State | Eaton Rapids | |||||||
| Darius Moon Log House | Part of the Woldumar Nature Center, 5739 Old Lansing Road | Delta Township | |||||||
| Olivet College Informational Designation | Burrage Library, NE corner of College Avenue and Main Street | Olivet | |||||||
| Parma and Sheridan No. 7 School (also called Wright School; originally located at 2388 Eaton Rapids Rd in Albion[1]) | 635 State Rd | Eaton Rapids | |||||||
| Phi Alpha Pi House | Cottage and Main Streets | Olivet | |||||||
| Potterville Methodist Episcopal Church | 105 North Church Street | Potterville | |||||||
| Red Ribbon Hall | 314 South Main Street | Eaton Rapids | |||||||
| Irving and Janet Reuter House | 677 South Michigan Road | Eaton Rapids | |||||||
| Reynolds-Horner House | 107 King Street | Eaton Rapids | |||||||
| Fitzgerald Park | West Jefferson Street | Grand Ledge | |||||||
| Henry L. Robinson House | 423 North Main Street | Bellevue | |||||||
| Seven Islands Resort Informational Designation | Second Island, the Grand River | Grand Ledge | |||||||
| Sperry Hall | 232 Cottage Street | Olivet | |||||||
| Sunfield Grand Army of the Republic Post No. 283 Hall† | 115 Main Street | Sunfield | |||||||
| John T. Sweezey House | 702 South Main Street | Eaton Rapids | |||||||
| Underhill Store | 106 East Jefferson Street | Dimondale | |||||||
| Vermontville Chapel and Academy† | North Main and East Main streets | Vermontville | |||||||
| Vermontville Methodist Episcopal Church | 108 North Main Street | Vermontville | |||||||
| Vermontville Opera House† | 219 South Main Street/120 East First Street | Vermontville | |||||||
| Hiram P. Webster House | 114 South River Street | Eaton Rapids |