Iowa 529 Contribution Limits 2024 Single. Maximum 529 plan contribution limits. Contributions of up to $5,500 per beneficiary per iowa taxpayer who is a participant are deductible from iowa taxable income in 2024 (adjusted annually for inflation) 3.

529 plans have high contribution limits, which are generally intended to be enough to cover the cost of college. One of the many benefits of 529 plans is there is no federal limit on the amount you can contribute.