Colorado Income Tax Calculator

Colorado income tax calculator estimates the take-home pay after tax for Colorado State residents.

Colorado State Income Tax Rate

The Colorado state income tax rate is 4.5% for all taxable income. Colorado doesn't have state standard deduction, it uses Federal standard deduction, so the taxable income for Colorado State is the same as Federal taxable income.

The Federal income brackets from 10% to 37% for the year 2021. The standard deduction is $12,550 (single) and $25,100 (married filing jointly) for the year 2021. After gross income less standard deduction, that is taxable income subject to Federal income tax.

The social security tax rate is 6.2% and the Medicare tax is 1.45% of gross income. The maximum taxable earnings for social security tax is $142,800 for the year 2021. Single filers pay an additional 0.9% in Medicare taxes if income is over $200,000 ($250,000 for married filing jointly).