Key Points
Most states with income taxes offer deductions for 529 contributions. For state taxpayers, this deduction provides an immediate guaranteed return of 3-13% depending on state tax rate. A $10,000 contribution in a 10%-rate state saves $1,000 immediately.
529 state deductions -- selected states 2025
| State | Deduction/Credit | Max Annual Benefit | In-State Plan Required |
|---|---|---|---|
| Indiana | 20% credit on first $5K | $1,000/year credit | Yes |
| New York | Deduct $5K single / $10K joint | Up to $1,370 at 13.7% | Yes |
| Illinois | Deduct $10K single / $20K joint | $495-$990 at 4.95% | Yes |
| Colorado | Unlimited deduction | Varies with income | No -- any 529 |
| Pennsylvania | Deduct up to $16K single / $32K joint | $491-$982 at 3.07% | No |
| Texas / Florida | No income tax | No deduction | N/A |
| California | No 529 deduction | $0 | N/A |
A state offering a 5% tax rate on $10,000 in 529 contributions provides a guaranteed $500 reduction. In high-tax states with generous limits, the immediate return is significant. Always maximize the state deduction before considering any out-of-state plan.
What This Means for You
- Most states require using the in-state 529 plan to claim the deduction
- Some states (PA, MO, KS, AZ) allow any plan to qualify for their deduction
- Even if your state plan has higher fees, the deduction may outweigh the cost
- Top-rated plans: New York 529, Utah My529, Nevada Vanguard, Illinois Bright Start
- Check savingforcollege.com for current state deduction details and plan ratings
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