Colorado Tax Brackets, Rates and Standard Deductions
Find Colorado income tax forms, tax brackets, deductions, and rates by tax year.
However, if you still need to file a return for a previous tax year, find the Colorado tax forms below. You can complete and sign the forms here on eFile.com before you mail them to the CO Department of Revenue. For Federal or IRS back taxes access the tax forms here.
Below find links to other important Colorado income tax return information and other related features (e.g. tax extension, amendment, etc.)
Colorado Income Tax Returns
Prepare only a CO State Return without an IRS return.
Details
File a Colorado Tax Amendment
Colorado Income Tax Forms
Colorado Tax Brackets, Rates explained
IRS Tax Brackets, Rates by Tax Year
Income Tax Brackets, Rates, Income Ranges, and Estimated Taxes Due
Here you can find how your Colorado based income is taxed at a flat rate. When you prepare your return on eFile.com this is all calculated for you based on your income.
Colorado Tax Brackets for Tax Year 2023
Colorado has a flat income tax rate of 4.40%.
Colorado Tax Brackets for Tax Year 2022
Colorado has a flat income tax rate of 4.40%.
Colorado Tax Brackets for Tax Year 2021
Colorado has a flat income tax rate of 4.50%.
Colorado Standard and Itemized Deductions
The Colorado standard deductions did increase for current tax year. You can also itemize your Colorado deductions.
When you prepare and eFile your Tax Return the eFile Tax App will apply the correct standard deductions for you or you can apply the itemized deduction method.
2023
Single or MFS
$13,850
Head of Household
$20,800
2022
Single or MFS
$12,950
Head of Household
$19,400
2021
Single or MFS
$12,550
Head of Household
$18,800
TurboTax® is a registered trademark of Intuit, Inc.
H&R Block® is a registered trademark of HRB Innovations, Inc.