Wisconsin passes ballot measure requiring photo ID to vote | 1 April 2025 | Wisconsin voters were projected to pass a ballot measure that amends the state Constitution to require photo identification in order to vote, according to Decision Desk HQ. Asked specifically about the constitutional amendment, the poll found 73 percent of respondents — including 97 percent of Republicans and 77 percent of independents — supported it. Meanwhile, 27 percent of respondents opposed it.