DOR Taxation web site

Individual Income Tax

Colorado's individual (personal) income tax rate is a flat 4.63%.

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Colorado Individual Income Tax Incentives
For complete details, see the Individual Income Tax Booklet

Colorado's individual income tax return provides a way for taxpayers to donate money to nonprofit programs designated by the Colorado Legislature. For specific information on the nonprofit programs, please visit

Helpful Tips for Taxpayers to Avoid Tax Scams