Michigan's 1st Senate district


Michigan's 1st Senate district is one of 38 districts in the Michigan Senate. It has been represented by Democrat Erika Geiss since 2023, succeeding fellow Democrat Stephanie Chang.

Geography

District 1 encompasses part of Wayne County.

2011 Apportionment Plan

District 1, as dictated by the 2011 Apportionment Plan, covered parts of Wayne County along the Canadian border, including much of Detroit as well as River Rouge, Ecorse, Wyandotte, Riverview, Trenton, Woodhaven, Gibraltar, Grosse Ile, and parts of Brownstown.
The district was split three ways among Michigan's 12th, 13th, and 14th congressional districts. It overlapped with the [Michigan's Michigan's 1st House of Representatives district|1st House of Representatives district|1st], 2nd, 4th, 6th, 14th, and 23rd districts of the Michigan House of Representatives.

Historical district boundaries

MapDescriptionApportionment PlanNotes

1964 Apportionment Plan
  • Macomb County
  • *Lake Township
  • Wayne County
  • *Detroit
  • *Grosse Pointe
  • *Grosse Pointe Farms
  • *Grosse Pointe Park
  • *Grosse Pointe Township
    		• 1972 Apportionment Plan
  • Wayne County
  • *Detroit
  • *Grosse Pointe
  • *Grosse Pointe Farms
  • *Grosse Pointe Park
  • *Grosse Pointe Township
  • *Grosse Pointe Woods
  • *Harper Woods
    		• 1982 Apportionment Plan
  • Wayne County
  • *Detroit
  • *Grosse Pointe
  • *Grosse Pointe Farms
  • *Grosse Pointe Park
  • *Grosse Pointe Township
  • *Grosse Pointe Woods
  • *Harper Woods
    		• 1992 Apportionment Plan
  • Wayne County
  • *Detroit
    		• 2001 Apportionment Plan
  • Wayne County
  • *Brownstown Township
  • *Detroit
  • *Ecorse
  • *Gibraltar
  • *Grosse Ile Township
  • *River Rouge
  • *Riverview
  • *Trenton
  • *Woodhaven
  • *Wyandotte
    		• 2011 Apportionment Plan