Income Tax Brackets

Colorado Income Tax Brackets 2019


Tax Year 2019 Colorado Income Tax Brackets (TY 2019 – 2020)

Colorado – Single Tax Brackets

Tax Bracket Tax Rate
$0.00+ 4.63%

Colorado – Married Filing Jointly Tax Brackets

Tax BracketTax Rate
$0.00+ 4.63%

Tax brackets and tax rates are ever-changing as the cost of living increases over time. Colorado tax brackets and the associated tax rates have not been changed since at least 2001. Colorado has a flat income tax rate which applies to both single and joint filers.  These rates are no constants though, as they are bound to inflate and are modified on a yearly basis to, as mentioned above, reflect the modifications that the cost of living is witnessing over time.

Understanding Colorado Tax Bracket

Colorado Income Tax Brackets In Colorado, taxation is governed by a single marginal tax bracket, for which the marginal rate includes 4.63%. All earnings are taxed at the same rate, regardless of the total income level.

Understanding Colorado Bracketed Income

The concept of paying tax for Colorado state is quite simple, you will pay the tax on flat rate irrespective of your income level, there are no earning brackets for Colorado. All of that is broken down in the chart below:

Single Tax Brackets

For earnings over $0.00, you’ll pay 4.63% plus $0.00

Married Filing Jointly Tax Brackets

For earnings over $0.00, you’ll pay 4.63% plus $0.00

Colorado Tax Deductions

Another essential feature of the Colorado income tax that you need to understand is deductions, mainly the Colorado Standard Deduction, the Colorado Personal Exemption, and the Colorado Dependent Deduction. These deductions are the most commonly encountered by taxpayers in this state, and their values for the tax year 2018 are the following:

Standard Deduction (S)Standard Deduction (M)Personal ExemptionDependent Exemption

Breakdown of Colorado Tax Deductions

Colorado Standard Deduction: Colorado doesn’t have Standard Deduction. This is the default deduction available to every taxpayer should they fail to file an itemized deduction.

Colorado Personal Exemption: Not allowed in Colorado. This deduction is not supported by the Colorado income tax, and it is available for every taxpayer responsible for their own living expenses.

Colorado Dependent Deduction: Not allowed in Colorado. In addition to the Colorado Personal Exemption, for each qualifying dependent under your wing, such as a child or a family member, for whom you support the living expenses, you can get an additional dependent exemption. These deductions aren’t specific to Colorado, as the Federal Income Tax also has a standard deduction, personal exemptions, and dependant deductions, which are applicable in all states nationwide. Keep in mind that their amounts and rules may differ from those of Colorado.

2018 Colorado Income Tax Filing Deadlines

DeadlineType of FilingDescription
July 15, 2020Tax Return Colorado State Income Tax Return Due Date.
July 15, 2020
Tax Extension
Colorado Automatic Extension. 
October 15, 2020
Tax Return
Last day to efile a 2018 Colorado State Income Tax Return for tax extension filers and late efilers.



While we do our best to keep this list of Colorado income tax rates up to date and complete, we cannot be held liable for errors or omissions. Is info on this page missing or out-of-date? Please let us know so we can fix it!


Our Colorado tax brackets are currently from the tax year 2019 (filed in April 2020). Many states adjust their tax brackets yearly, and we will update the State Name tax brackets for 2021 as soon as they become available.

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