Wisconsin 529 Deduction Limit 2025. Wisconsin taxpayers who contribute to an edvest 529 account, regardless of their relationship to a child, can deduct up to $3,860 annually per beneficiary from their. Since each donor can contribute up to $18,000 per.

In 2025, for new contributions, up to a $5,000 reduction from taxable income per eligible family member per year (if wisconsin resident)** the reduction is available to anyone. 1 wisconsin taxpayers can qualify for a 2025 state tax deduction up to $5,000 annually per beneficiary, for single filer or married couple filing a joint return, from contributions made.