Michigan's 85th House of Representatives district
Michigan's 85th House of Representatives district is a legislative district within the Michigan House of Representatives located in part of Ottawa County. The district was created in 1965, when the Michigan House of Representatives district naming scheme changed from a county-based system to a numerical one.
Historical district boundaries
| Map | Description | Apportionment Plan | Notes |
| Saginaw County | 1964 Apportionment Plan | ||
| Saginaw County | 1972 Apportionment Plan | ||
| Saginaw County | 1982 Apportionment Plan | ||
| Clinton County | 1992 Apportionment Plan | ||
| Clinton County Shiawassee County | 2001 Apportionment Plan | ||
Saginaw County
| 2011 Apportionment Plan |