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529 Plan Contributions in Colorado 2026

Calculate your 529 plan contributions tax savings in Colorado. With Colorado's 4.4% top state tax rate, your combined savings are higher.

Colorado Tax Overview

State Income Tax
4.4%
flat
Sales Tax
2.9%
avg combined: 7.81%
Property Tax Rate
0.49%
Median Income
$82,254

Flat 4.4%. Uses federal taxable income. TABOR mandates refunds when revenue exceeds limits.

Colorado Income Tax Brackets (Single)

4.4%
$0 +
Your bracket
$1,320
Est. Total Savings
No Limit
Max Deduction
State-Level
Deduction Type
26.4%
Combined Tax Rate

529 Plan Contributions Savings Calculator for Colorado

$
$

Federal Savings

$1,100

22% bracket

Colorado State

$220

4.4% rate

Total Savings

$1,320

26.4% combined

At a 26.4% combined tax rate in Colorado, every $1,000 in deductions saves you $264 in taxes.

Savings by Tax Bracket in Colorado

10%
$720
12%
$820
22%
$1,320
24%
$1,420
32%
$1,820
35%
$1,970
37%
$2,070

Includes 4.4% Colorado 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

Colorado residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 4.4%.

Common Mistakes to Avoid

  • !Expecting federal deduction
  • !Not checking state limits
  • !Forgetting to claim the deduction on your Colorado state return (missing up to 4.4% additional savings)

Colorado Filing Tips

Federal deductions automatically apply. Watch for TABOR refund checks (taxable federally). Colorado offers retirement income subtractions for 55+ and generous renewable energy credits.

Required Tax Forms

State tax return

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

Other Tax Deductions in Colorado

Student Loan Interest Deduction

Education

~$660
est. savings

American Opportunity Tax Credit

Education

~$2,200
est. savings

Lifetime Learning Credit

Education

~$1,500
est. savings

Coverdell Education Savings Account

Education

~$360
est. savings

Educator Expense Deduction

Education

~$79
est. savings

Employer-Required Education

Education

~$3,600
est. savings

Education Savings Bond Interest

Education

~$600
est. savings

Employer Education Assistance

Education

~$1,386
est. savings

529 Plan Contributions in Neighboring States

Wyoming

No state income tax

~$1,000
-320 vs Colorado

Nebraska

5.84% top rate (progressive)

~$1,265
-55 vs Colorado

Kansas

5.7% top rate (progressive)

~$1,259
-61 vs Colorado

Oklahoma

4.75% top rate (progressive)

~$1,216
-104 vs Colorado

New Mexico

5.9% top rate (progressive)

~$1,268
-52 vs Colorado

Utah

4.65% top rate (flat)

~$1,211
-109 vs Colorado

Tax Calculators for Colorado Cities

DenverColorado SpringsAuroraFort CollinsLakewoodThorntonArvadaWestminsterPuebloCentennial

Calculate Your Full Tax Savings in Colorado

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

Income Tax CalculatorColorado Income TaxFull 529 Plan Contributions Guide

Frequently Asked Questions

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

In Colorado, the 529 plan contributions can save you an estimated $1,320 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $220 in Colorado state tax savings at the 4.4% marginal rate. The national average savings is $1,000/year.

What is the Colorado state income tax rate?

Colorado has a flat income tax system with a top rate of 4.4%. Flat 4.4%. Uses federal taxable income. TABOR mandates refunds when revenue exceeds limits.

Who qualifies for the 529 Plan Contributions in Colorado?

Contributors to 529 education savings plans. The eligibility requirements are the same whether you live in Colorado or another state, as this is a federal tax deduction. However, your total savings will vary based on Colorado's 4.4% top state tax rate.

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

To claim the 529 plan contributions, you need to file State tax return with your federal return. Colorado residents should also check if the state allows this deduction on their state return for additional savings of up to 4.4%. Filing status affects your deduction limits and tax bracket.

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

Yes, Colorado residents benefit more because the state's 4.4% 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 26.4% means more savings per dollar deducted.

What is the standard deduction in Colorado for 2026?

Colorado's standard deduction is $15,000 for single filers and $30,000 for married filing jointly. Federal deductions automatically apply. Watch for TABOR refund checks (taxable federally). Colorado offers retirement income subtractions for 55+ and generous renewable energy credits.

Related Calculators

Student Loan Interest Deduction in Colorado

Avg savings: $550/year

American Opportunity Tax Credit in Colorado

Avg savings: $2,200/year

Lifetime Learning Credit in Colorado

Avg savings: $1,500/year

Coverdell Education Savings Account in Colorado

Avg savings: $300/year

Educator Expense Deduction in Colorado

Avg savings: $66/year

Employer-Required Education in Colorado

Avg savings: $3,000/year