If you want to vote for Republican or Democratic candidates in the primary, you must be a registered voter of that party. Under Wyoming law, primary elections are mainly held to nominate candidates for partisan offices to be filled at the general election. If you are unaffiliated or are a member of a minor or provisional political party, you will receive a primary ballot containing only non-partisan candidates.

To change your party affiliation or to declare a new affiliation, complete the Wyoming Voter Registration Application & Change Form and submit it to your county clerk’s office not later than 14 days before the primary election. You may also change your party affiliation at your polling place on the day of the primary or general election, or when requesting an absentee ballot.

Any registered Wyoming voter may apply for an absentee ballot and vote by mail.

Under the new state law, H.B. 0075, all Wyoming voters must present one of the following forms of valid identification in order to vote in person at the polls, as well as when registering to vote.

• Wyoming driver’s license
• Different state or US territory driver’s license
• US passport
• Photo ID card issued by the University of Wyoming, a Wyoming Community College, or a Wyoming Public School
• Tribal identification card issued by the governing body of the Eastern Shoshone Tribe of Wyoming, the Northern Arapaho Tribe of Wyoming, or any other federally recognized Indian tribe
• US Military ID or ID card issued to a Dependent of a member of the United States Armed Forces
• Valid Medicaid insurance card

If the voter does not have one of the documents listed above, a free Wyoming Identification card may be obtained from the local Driver Services office. If the voter is unable to present valid identification, they can vote provisionally with risk of their vote not being counted.