529 Contribution Limits 2025 Iowa. The 529 plan must have been active for at least 15 years, and the rolled over funds must have been in the account for at least five years. Contributions made to a 529 plan can be deducted from state taxable income up to a certain yearly limit.
Learn about the contribution and account balance limits on 529 plans and the difference in contribution limits among states. In illinois, it is $10,000 for.