Wyoming's 23rd State Senate district
Wyoming's 23rd State Senate district is one of 31 districts in the Wyoming Senate. The district encompasses part of Campbell County. It is represented by Republican Senator Eric Barlow of Gillette.
In 1992, the state of Wyoming switched from electing state legislators by county to a district-based system.
Historical district boundaries
| Map | Description | Apportionment Plan | Notes |
| 1992 Apportionment Plan | |||
| 2002 Apportionment Plan | |||
| 2012 Apportionment Plan |