Wyoming's 20th State Senate district


Wyoming's 20th State Senate district is one of 31 districts in the Wyoming Senate. The district encompasses Hot Springs and Washakie counties as well as parts of Big Horn, Fremont and Park counties. It is represented by Republican Senator Ed Cooper of Ten Sleep.
In 1992, the state of Wyoming switched from electing state legislators by county to a district-based system.

Historical district boundaries

MapDescriptionApportionment PlanNotes

1992 Apportionment Plan
  • Hot Springs County
  • Washakie County
  • Big Horn County
  • Park County
    		• 2002 Apportionment Plan
  • Hot Springs County
  • Washakie County
  • Big Horn County
  • Fremont County
  • Park County
    		• 2012 Apportionment Plan