Colorado Income Tax Calculator
Determine your exact state income tax bracket and liability in Colorado. Model your deductions and exemptions.
Why calculating tax in Colorado is different
Colorado uses a flat income tax rate and relatively low base state sales tax, but local taxes vary widely.
State Income Tax
4.4%
Base Sales Tax
2.9%
State Min Wage
$14.42 / hr
Abbreviation
CO
Colorado Tax Interactive Tool
This calculator uses the latest 2026 data for Colorado, including the minimum wage of $14.42 and the specific state income tax rates (4.4%).
Frequently Asked Questions about Colorado Tax
What are the income tax brackets in Colorado?
Colorado features an income tax rate structure of 4.4%. Depending on your taxable income, you will fall into specific brackets that dictate your marginal tax rate.
Does Colorado tax retirement income?
The taxation of retirement income varies. You must check current Colorado Department of Revenue guidelines to see if Social Security or pension income is exempted from the 4.4% state tax.