New Voting Law Effective July 1 New Wyoming Voter Registration Requirements Requires a person to be a Wyoming resident for at least 30 days before voting in an election, and requires a proof of residency and citizenship when registering to vote. If you didn't vote in the last election, you may be 'purged' & need to re-register. If you have not registered to vote, & you had a name change due to marriage, adoption, etc. you may need additional documentation. Save Time & Avoid the Hassle! REGISTER TO VOTE BEFORE 7/1/25 Elections Office (307) 674-2515 Paid for by the Sheridan County Democratic Party New Voting Law Effective July 1 New Wyoming Voter Registration Requirements Requires a person to be a Wyoming resident for at least 30 days before voting in an election , and requires a proof of residency and citizenship when registering to vote . If you didn't vote in the last election , you may be ' purged ' & need to re - register . If you have not registered to vote , & you had a name change due to marriage , adoption , etc. you may need additional documentation . Save Time & Avoid the Hassle ! REGISTER TO VOTE BEFORE 7/1/25 Elections Office ( 307 ) 674-2515 Paid for by the Sheridan County Democratic Party