Wyo. Const. art. 6, § 17

Time of holding general and special elections; when elected officers to enter upon duties. All general elections for state and county officers, for members of the house of representatives and the senate of the State of Wyoming, and representatives to the congress of the United States, shall be held on the Tuesday next following the first Monday in November of each even year. Special elections may be held as now, or may hereafter be provided by law. All state and county officers elected at a general election shall enter upon their respective duties on the first Monday in January next following the date of their election, or as soon thereafter as may be possible.