# Michigan's 31st House of Representatives district

Michigan's 31st House of Representatives district (also referred to as Michigan's 31st House district) is a legislative district within the Michigan House of Representatives located in parts of Lenawee, Monroe, Washtenaw, and Wayne counties. 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.

## List of representatives

| Representative | Party | Dates | Residence |
| Lucille H. McCollough | Democratic | 1965–1982 | Dearborn |
| William J. Runco | Republican | 1983–1986 | Dearborn |
| Agnes Dobronski | Democratic | 1987–1988 | Dearborn |
| William J. Runco | Republican | 1989–1990 | Dearborn |
| Agnes Dobronski | Democratic | 1991–1992 | Dearborn |
| Sharon L. Gire | Democratic | 1993–1998 | Clinton Township |
| Paul Gieleghem | Democratic | 1999–2004 | Clinton Township |
| Fred Miller | Democratic | 2005–2010 | Mount Clemens |
| Marilyn Lane | Democratic | 2011–2016 | Fraser |
| William Sowerby | Democratic | 2017–2022 | Clinton Township |
| Reggie Miller | Democratic | 2023–present | Van Buren Township |

## Recent elections

2020 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | William Sowerby | 26,202 | 56.27 |
| | Republican | Lisa Valerio-Nowc | 20,364 | 43.73 |
| Total votes | Total votes | Total votes | 46,566 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
2018 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | William J. Sowerby | 20,791 | 59.89 |
| | Republican | Lisa Valerio-Nowc | 13,925 | 40.11 |
| Total votes | Total votes | Total votes | 34,716 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
2016 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | William Sowerby | 22,735 | 56.16 |
| | Republican | Lisa Valerio | 15,743 | 38.89 |
| | Libertarian | Mike Saliba | 2,007 | 4.96 |
| Total votes | Total votes | Total votes | 40,485 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
2014 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Marilyn Lane | 15,769 | 61.07 |
| | Republican | Phil Rode | 10,054 | 38.93 |
| Total votes | Total votes | Total votes | 25,823 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
2012 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Marilyn Lane | 24,443 | 61.74 |
| | Republican | Lynn Evans | 13,404 | 33.86 |
| | Libertarian | James Miller | 1,742 | 4.40 |
| Total votes | Total votes | Total votes | 39,589 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
2010 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Marilyn Lane | 12,710 | 53.89 |
| | Republican | Daniel Tollis | 10,874 | 46.11 |
| Total votes | Total votes | Total votes | 23,584 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
2008 Michigan House of Representatives election :
| Party | Party | Candidate | Votes | % |
| | Democratic | Fred Miller | 26,404 | 66.1 |
| | Republican | Daniel Tollis | 12,277 | 30.74 |
| | Libertarian | James Miller | 1,263 | 3.16 |
| Total votes | Total votes | Total votes | 39,944 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## Historical district boundaries

| Description | Apportionment Plan |
| Wayne County (part) Dearborn (part) | 1964 Apportionment Plan |
| Wayne County (part) Dearborn (part) | 1972 Apportionment Plan |
| Wayne County (part) Dearborn | 1982 Apportionment Plan |
| Macomb County (part) Clinton Township (part) Fraser Mount Clemens | 1992 Apportionment Plan |
| Macomb County (part) Clinton Township (part) Fraser (part) Mount Clemens | 2001 Apportionment Plan |
| Macomb County (part) Clinton Township (part) Fraser Mount Clemens | 2011 Apportionment Plan |