Colorado Income Tax Guide for 2026
Overview
Colorado has a flat income tax rate of 4.4%. Capital gains are taxed as ordinary income. The state offers a standard deduction of $16,100 for single filers.
Income Tax Rates
Single Filers
| Income Range | Tax Rate |
|---|---|
| All income | 4.4% |
Married Filing Jointly
| Income Range | Tax Rate |
|---|---|
| All income | 4.4% |
Capital Gains Tax
Capital gains are taxed at the same rates as ordinary income.
Deductions & Exemptions
| Type | Amount |
|---|---|
| Standard Deduction (Single) | $16,100 |
| Standard Deduction (Married Filing Jointly) | $32,200 |
Additional Information
- Flat 4.40% rate; the Colorado Department of Revenue's 2026 withholding worksheet (DR 1098) uses 4.40% for 2026
- Uses federal standard deduction amounts because Colorado taxable income starts from federal taxable income (2026: $16,100 single / $32,200 married filing jointly)
- Up to $24,000 retirement income deduction for age 65+
- Under Section 39-22-627, C.R.S. the rate can be temporarily reduced for a tax year if state revenue exceeds the TABOR limit; the FY2025-26 surplus is not certified until September 2026, so no 2026 reduction has been announced
Charts
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Sources
The 2026 figures for Colorado on this page were compiled from the following official government publications:
- DR 1098, 2026 Colorado Withholding Worksheet for Employers (Colorado Department of Revenue)
- DR 1098 - Colorado Withholding Worksheet for Employers (Colorado Department of Revenue)
- Individual Income Tax Guide (Colorado Department of Revenue)
- TABOR (Colorado Department of Revenue)
- IRS releases tax inflation adjustments for tax year 2026, including amendments from the One, Big, Beautiful Bill (IRS newsroom)
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