Colorado 529 Plan Calculator
2026Calculate 529 college savings plan growth and tax benefits in Colorado. See CO state tax deduction availability, contribution limits, and projected education savings for 2026.
Written and reviewed by Konstantin Iakovlev · Methodology · Updated
Total College Cost
$176,766.87
With 4% inflation
Projected Savings
$58,861.83
Funding
33%
Funding Gap
$117,905.04
Monthly Needed to Fully Fund
$750.77
529 Plan Projection
| Years Until College | 13 years |
| Total College Cost (with inflation) | $176,766.87 |
| Current Balance | $0.00 |
| Total Contributions | $39,000.00 |
| Investment Growth | + $19,861.83 |
| Projected Savings at College | $58,861.83 |
| Funding Gap | $117,905.04 |
| Monthly Contribution Needed | $750.77 |
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
How does a 529 plan work in Colorado?
A 529 plan is a state-sponsored, tax-advantaged investment account designed to fund qualified education expenses. Colorado has a flat 4.4% state income tax. Contributions to the home-state 529 plan often qualify for a state income tax deduction or credit, reducing your effective contribution cost.
Colorado detail: Colorado offers an unlimited deduction for contributions to a Colorado-sponsored 529 plan (CollegeInvest), with no annual cap.
Earnings inside a 529 grow federally tax-free, and withdrawals used for qualified expenses (tuition, room and board, books, computers, and up to $10,000/year in K-12 tuition) are also federal tax-free. SECURE 2.0 expanded options further: unused 529 funds (held 15+ years) can be rolled to a Roth IRA for the beneficiary, subject to a $35,000 lifetime cap and annual Roth IRA contribution limits. Non-qualified withdrawals trigger ordinary income tax on earnings plus a 10% penalty.
When choosing a plan, weigh the Colorado state tax benefit against expense ratios, age-based portfolio quality, and direct-sold vs. advisor-sold fee structures. Direct-sold plans typically have the lowest fees. The calculator above projects future balance assuming compound growth and consistent contributions through the beneficiary's college years.
Colorado 529 plan: name, manager, and tax benefit
- Plan name
- CollegeInvest Direct Portfolio College Savings Plan
- Plan manager
- Vanguard
- State tax benefit
- Full deduction of contributions (up to taxable income; subject to gift-tax limits) — most generous in the country
Colorado offers the most generous 529 state-tax deduction in the country: 100% of contributions are deductible from state taxable income up to the level of taxable income (no annual cap). This effectively makes 529 contributions state-tax-free up to the contribution limit ($19,000/year per donor under 5-year averaging in 2026). The Direct Portfolio plan is Vanguard-managed with expense ratios of 0.13%–0.17% — among the lowest. Colorado also operates Smart Choice College Savings (FDIC-insured savings option) and Stable Value Plus.
Colorado Tax & Education Facts (2026)
| State Income Tax | 4.4% (flat) |
| 529 State Tax Deduction | Check state plan details |
| State Sales Tax | 2.9% |
| Avg. Property Tax Rate | 0.5% |
Colorado 529 plan — frequently asked questions
What can 529 plan funds be used for?
Qualified expenses include college tuition, room and board, books, supplies, computers, and required equipment. Up to $10,000/year can also be used for K-12 tuition. Up to $35,000 lifetime can be rolled to a Roth IRA for the beneficiary.
What are the tax benefits of a 529 plan?
Earnings grow tax-free and withdrawals for qualified education expenses are tax-free. Over 30 states also offer a state income tax deduction or credit for contributions.
What happens to a 529 plan if my child does not go to college?
You can change the beneficiary to another family member, use it for trade schools or apprenticeship programs, roll up to $35,000 into a Roth IRA (after 15 years), or withdraw the funds with a 10% penalty plus taxes on earnings.