Political party strength in Wyoming

The following tables indicate the historic party affiliation of elected officials in the U.S. state of Wyoming including: The tables also indicate the historical party composition in the: For years in which a United States presidential election was held, the tables indicate which party's nominees received the State's electoral votes. Prior to statehood in 1889, there were fewer elected offices, as indicated.
 * Governor
 * Secretary of State
 * State Auditor
 * State Treasurer
 * Superintendent of Public Instruction
 * State Senate
 * State House of Representatives
 * State delegation to the United States Senate
 * State delegation to the United States House of Representatives