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529 Plan Contributions in Idaho 2026

Calculate your 529 plan contributions tax savings in Idaho. With Idaho's 5.8% top state tax rate, your combined savings are higher.

Idaho Tax Overview

State Income Tax
5.8%
flat
Sales Tax
6%
avg combined: 6.02%
Property Tax Rate
0.63%
Median Income
$65,988

Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.

Idaho Income Tax Brackets (Single)

5.8%
$0 +
Your bracket
$1,390
Est. Total Savings
No Limit
Max Deduction
State-Level
Deduction Type
27.8%
Combined Tax Rate

529 Plan Contributions Savings Calculator for Idaho

$
$

Federal Savings

$1,100

22% bracket

Idaho State

$290

5.8% rate

Total Savings

$1,390

27.8% combined

At a 27.8% combined tax rate in Idaho, every $1,000 in deductions saves you $278 in taxes.

Savings by Tax Bracket in Idaho

10%
$790
12%
$890
22%
$1,390
24%
$1,490
32%
$1,890
35%
$2,040
37%
$2,140

Includes 5.8% Idaho state tax on top of federal savings.

Eligibility Requirements

Contributors to 529 education savings plans

  • 1State-level deduction only
  • 2Varies by state
  • 3No federal deduction

Idaho residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 5.8%.

Common Mistakes to Avoid

  • !Expecting federal deduction
  • !Not checking state limits
  • !Forgetting to claim the deduction on your Idaho state return (missing up to 5.8% additional savings)

Idaho Filing Tips

Federal standard deduction automatically applies. Maximize the 60% capital gains exclusion on Idaho-sourced investments. Use the grocery credit. Retirement income is fully taxable.

Required Tax Forms

State tax return

File these forms with your federal tax return to claim the 529 plan contributions. Idaho may require additional state-specific forms.

Other Tax Deductions in Idaho

Student Loan Interest Deduction

Education

~$695
est. savings

American Opportunity Tax Credit

Education

~$2,200
est. savings

Lifetime Learning Credit

Education

~$1,500
est. savings

Coverdell Education Savings Account

Education

~$379
est. savings

Educator Expense Deduction

Education

~$83
est. savings

Employer-Required Education

Education

~$3,791
est. savings

Education Savings Bond Interest

Education

~$632
est. savings

Employer Education Assistance

Education

~$1,460
est. savings

529 Plan Contributions in Neighboring States

Montana

5.9% top rate (flat)

~$1,268
-122 vs Idaho

Wyoming

No state income tax

~$1,000
-390 vs Idaho

Utah

4.65% top rate (flat)

~$1,211
-179 vs Idaho

Nevada

No state income tax

~$1,000
-390 vs Idaho

Oregon

9.9% top rate (progressive)

~$1,450
+60 vs Idaho

Washington

No state income tax

~$1,000
-390 vs Idaho

Tax Calculators for Idaho Cities

BoiseMeridianNampaIdaho FallsCaldwellPocatelloCoeur d'AleneTwin Falls

Calculate Your Full Tax Savings in Idaho

Use our free tax calculators to optimize your entire tax return for Idaho.

Income Tax CalculatorIdaho Income TaxFull 529 Plan Contributions Guide

Frequently Asked Questions

How much can I save with the 529 Plan Contributions in Idaho?

In Idaho, the 529 plan contributions can save you an estimated $1,390 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $290 in Idaho state tax savings at the 5.8% marginal rate. The national average savings is $1,000/year.

What is the Idaho state income tax rate?

Idaho has a flat income tax system with a top rate of 5.8%. Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.

Who qualifies for the 529 Plan Contributions in Idaho?

Contributors to 529 education savings plans. The eligibility requirements are the same whether you live in Idaho or another state, as this is a federal tax deduction. However, your total savings will vary based on Idaho's 5.8% top state tax rate.

What tax forms do I need to claim the 529 Plan Contributions in Idaho?

To claim the 529 plan contributions, you need to file State tax return with your federal return. Idaho residents should also check if the state allows this deduction on their state return for additional savings of up to 5.8%. Filing status affects your deduction limits and tax bracket.

Is the 529 Plan Contributions better in Idaho than in states without income tax?

Yes, Idaho residents benefit more because the state's 5.8% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 27.8% means more savings per dollar deducted.

What is the standard deduction in Idaho for 2026?

Idaho's standard deduction is $14,600 for single filers and $29,200 for married filing jointly. Federal standard deduction automatically applies. Maximize the 60% capital gains exclusion on Idaho-sourced investments. Use the grocery credit. Retirement income is fully taxable.

Related Calculators

Student Loan Interest Deduction in Idaho

Avg savings: $550/year

American Opportunity Tax Credit in Idaho

Avg savings: $2,200/year

Lifetime Learning Credit in Idaho

Avg savings: $1,500/year

Coverdell Education Savings Account in Idaho

Avg savings: $300/year

Educator Expense Deduction in Idaho

Avg savings: $66/year

Employer-Required Education in Idaho

Avg savings: $3,000/year