Prizes greater than $5,000 are subject to a 7.65% state tax and a 24% federal tax. Prizes of $2,000 to $5,000 are subject to state taxation of 7.65%. How much will I pay in taxes if I win the WI Lottery? You can find the latest WI Lottery jackpot amounts for all of your favorite games here on the Wisconsin Lottery Jackpots page. However, any other information about the winner will be released only with the winner’s consent and it’s a winner's choice if they would like to speak to the media. No, Wisconsin has an “open records law.” The lottery, upon request, must release the name and city of the winner, along with the prize amount. Can I remain anonymous if I win the lottery in WI?