| State: | Michigan |
| District: | 45 |
| Chamber: | House of Representatives |
| Representative: | Sarah Lightner |
| Party: | Republican |
| Residence: | Springport |
| Percent White: | 79.0 |
| Percent Black: | 4.6 |
| Percent Hispanic: | 3.8 |
| Percent Asian: | 10.4 |
| Percent Other Race: | 0.3 |
| Percent Remainder Of Multiracial: | 1.9[1] |
| Population: | 90,835[2] |
| Population Year: | 2010 |
Michigan's 45th House of Representatives district (also referred to as Michigan's 45th House district) is a legislative district within the Michigan House of Representatives located in part of Kalamazoo, Calhoun, and Jackson counties.[3] 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.[4]
| Representative | Party | Dates | Residence | Notes | |||
|---|---|---|---|---|---|---|---|
| Harry A. DeMaso | bgcolor= | Republican | 1965–1966 | Battle Creek | [5] | ||
| James H. Heinze | bgcolor= | Republican | 1967–1972 | Battle Creek | [6] | ||
| Bela E. Kennedy | bgcolor= | Republican | 1973–1982 | Bangor | [7] | ||
| James Mick Middaugh | bgcolor= | Republican | 1983–1992 | Paw Paw | [8] | ||
| Penny Crissman | bgcolor= | Republican | 1993–1998 | Rochester | [9] | ||
| Mike Bishop | bgcolor= | Republican | 1999–2002 | Rochester | [10] | ||
| John P. Garfield | bgcolor= | Republican | 2003–2008 | Rochester Hills | [11] | ||
| Tom McMillin | bgcolor= | Republican | 2009–2014 | Rochester Hills | [12] | ||
| Michael Webber | bgcolor= | Republican | 2015–2020 | Rochester Hills | [13] | ||
| Mark Tisdel | bgcolor= | Republican | 2021–2022 | Rochester Hills | [14] | ||
| Sarah Lightner | bgcolor= | Republican | 2023–present | Springport | [15] | ||