Colorado Income Tax Brackets 2026
Colorado uses a flat income tax system with 1 bracket.
State Tax
4.4%
Top marginal rate
COL Index
105
Above national avg
Median Income
$87,598
Household
Brackets
1
Flat tax
Colorado Tax Brackets
| Income Range | Marginal Rate |
|---|---|
| $0 — and above | 4.40% |
Colorado State Tax at Different Income Levels
| Gross Income | State Tax | Effective Rate |
|---|---|---|
| $50,000 | $2,200 | 4.40% |
| $75,000 | $3,300 | 4.40% |
| $100,000 | $4,400 | 4.40% |
| $150,000 | $6,600 | 4.40% |
| $200,000 | $8,800 | 4.40% |
| $300,000 | $13,200 | 4.40% |
Calculate Your Exact Colorado Taxes
See your full federal + state + FICA breakdown with our interactive calculator.
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Frequently Asked Questions about Colorado Taxes
Does Colorado have state income tax?
Colorado has a progressive income tax system with rates ranging from 4.4% to 4.4% for 2026.
How much is federal tax in Colorado?
Federal income tax in Colorado is the same as in all other US states. For 2026, the federal brackets range from 10% to 37%, depending on your taxable income and filing status.
What is the cost of living in Colorado?
The cost of living in Colorado has an index of 105, where 100 is the national average. This means Colorado is 5% more expensive than the average US state.