Colorado Income Tax 2026
Colorado has a flat 4.4% income tax in 2026. Colorado uses federal taxable income as the starting point and applies its single state rate after Colorado-specific additions and subtractions.
2026 Rate
4.4%
Structure
Flat tax
How Colorado income tax works
Colorado's 4.4% figure is a statutory rate applied to state taxable income—not necessarily your gross salary. State deductions, exemptions, credits and additions can make the tax shown on a return different from salary multiplied by 4.4%.
Colorado uses federal taxable income as the starting point and applies its single state rate after Colorado-specific additions and subtractions. Filing status matters because bracket widths, deductions and exemptions may differ for single and married filers. Use these rates for comparison and planning, then confirm your return with the current instructions from the Colorado tax agency.
Colorado paycheck planning examples
These examples apply a 4.4% planning rate to gross pay to show scale. They are not tax-return calculations and do not include deductions, credits, local taxes or special income rules.
| Annual gross pay | Planning rate | Illustrative annual amount | Monthly equivalent |
|---|---|---|---|
| $50,000 | 4.4% | $2,200 | $183 |
| $100,000 | 4.4% | $4,400 | $367 |
| $200,000 | 4.4% | $8,800 | $733 |
See your Colorado take-home pay
The calculator opens with the 4.4% flat rate prefilled — add your salary, 401(k), and filing status.
Open the paycheck calculator →What to verify before filing in Colorado
Taxable-income starting point
Check whether the state starts from federal adjusted gross income or federal taxable income, then applies state additions and subtractions.
Deductions and credits
Confirm the current standard deduction, personal or dependent exemptions, refundable credits and any income-based phaseouts.
Local and special taxes
Check city or county income taxes, capital-gains rules, payroll assessments and taxes that apply to nonresidents or remote workers.
Retirement income
Review how the state treats Social Security, pensions, IRA withdrawals and military retirement benefits for your age and income.
Colorado income tax FAQ
What is the Colorado income tax rate for 2026?
Colorado taxes individual income at a flat 4.4% in 2026, regardless of income level. Colorado uses federal taxable income as the starting point and applies its single state rate after Colorado-specific additions and subtractions.
How does a flat tax affect my paycheck in Colorado?
Every dollar of taxable income is taxed at the same 4.4%, so your state withholding scales directly with pay. On top of that you pay federal income tax and 7.65% FICA, which for most earners are the bigger deductions.
Does Colorado have local income taxes?
Colorado does not broadly levy local income taxes, but always check your city or county, since a small number of jurisdictions add local levies.
Compare with other states
Keep planning
Researched and reviewed by: SmartRates Editorial Team · Tax data methodology · Last verified July 26, 2026
Sources: Tax Foundation — 2026 State Individual Income Tax Rates and Brackets and USA.gov — State tax agencies. Rates are state-level individual income tax figures for tax year 2026 and may exclude local income taxes, credits, deductions, and special regimes. Confirm with your state's revenue department or a tax professional before filing.