Maximum 529 Contribution 2024 Ohio. The aggregate 529 contribution limit varies across states from $235,000 to greater than $550,000, with the threshold set to ensure that potential costs for higher. Up to $462,000 maximum contribution for a single beneficiary.

The aggregate 529 contribution limit varies across states from $235,000 to greater than $550,000, with the threshold set to ensure that potential costs for higher. In 2024, you can contribute up to $18,000 per beneficiary per year before you’d need to file irs form 709.