Colorado Paycheck Calculator
Colorado's flat 4.4% rate uses federal taxable income — no separate state deduction.
Colorado charges a flat 4.4% on all taxable income regardless of earnings. No brackets or phase-outs.
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Estimates only. Not tax or legal advice. Consult a tax professional for accuracy.
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Colorado Paycheck FAQ
Common questions about paychecks and taxes in Colorado
What is the Colorado state income tax rate?
Colorado has a flat income tax rate of 4.4% on all taxable income. Unlike states with graduated brackets, every dollar you earn is taxed at the same rate.
Does Colorado have a standard deduction?
Colorado uses federal taxable income as its starting point, meaning the federal standard deduction is already factored in. There is no additional state standard deduction.
Are there local income taxes in Colorado?
Denver and Aurora levy an occupational privilege tax (OPT) — a small flat monthly fee on employees. While not a percentage-based income tax, it reduces your take-home pay slightly and is not included in this calculator.
Does Colorado tax retirement income?
Colorado taxes most retirement income but offers exclusions for older taxpayers: $20,000 for ages 55–64 and $24,000 for 65 and older. Social Security benefits are excluded from state taxation for qualifying taxpayers.
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