Colorado Income Tax Brackets 2025

Colorado uses a flat income tax system with 1 bracket.

State Tax

4.4%

Top marginal rate

COL Index

105

Above national avg

Median Income

$87,598

Household

Brackets

1

Flat tax

Colorado Tax Brackets

Income RangeMarginal Rate
$0and above4.40%

Colorado State Tax at Different Income Levels

Gross IncomeState TaxEffective Rate
$50,000$2,2004.40%
$75,000$3,3004.40%
$100,000$4,4004.40%
$150,000$6,6004.40%
$200,000$8,8004.40%
$300,000$13,2004.40%

Calculate Your Exact Colorado Taxes

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