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TaxMath

2027 Colorado Income Tax Brackets & Rates

Colorado taxes a single filer's taxable income at 6 rates for tax year 2027, from 3.7% on the first $25,000 to 8.4% above $1,000,000. These figures are provisional, last checked 2026-11-10.

Federal and state tax brackets, capital gains rates, and corporate tax rates for Colorado in tax year 2027.

Federal Income Tax Brackets (2027)

FromToRate
$0$12,80010.00%
$12,800$52,02512.00%
$52,025$109,12522.00%
$109,125$208,32524.00%
$208,325$264,55032.00%
$264,550$661,37535.00%
$661,375No limit37.00%

Colorado State Income Tax Brackets (2027)

FromToRate
$0$25,0003.70%
$25,000$100,0004.20%
$100,000$500,0004.40%
$500,000$750,0007.40%
$750,000$1,000,0007.90%
$1,000,000No limit8.40%

Federal Capital Gains Tax Brackets (2027)

FromToRate
$0$51,0500.00%
$51,050$563,20015.00%
$563,200No limit20.00%

Additional Information

Federal Corporate Tax Rate
21.00%
State Corporate Tax Rate
4.40%
Federal Standard Deduction (Single)
$16,600

Common questions

Does Colorado have an income tax in 2027?
Yes. Colorado taxes a single filer's taxable income at 6 rates for tax year 2027, from 3.7% on the first $25,000 to 8.4% above $1,000,000.
What is the top Colorado income tax rate for 2027?
8.4%, on a single filer's taxable income above $1,000,000.
Are the 2027 Colorado income tax figures final?
Not yet. They are provisional, last checked 2026-11-10, and will be confirmed against the final published schedule.

Articles about Colorado

Sources & Trust

Every figure above is traceable to a published source. Each source is rated by what published it, not by how confident we feel about it.

Federal (United States) — 2027

OfficialValues verified
  • Rate bracketsTier 1 · Primary authority
  • Standard deductionNot separately cited
  • Capital gainsNot separately cited
  • Corporate rateNot separately cited
1 source— show
  1. Cited for Rate brackets · confirmed

    Primary citation recorded with the tax table entry; coverage beyond the rate brackets is unconfirmed.

How we rate sources — tiers are derived from what published the document, not from our confidence in it.

Colorado — 2027

ProvisionalValues verified

Amendment 87 (Initiative #195; Legislative Council Blue Book analysis), approved on the unofficial count of November 2026 and not yet certified: graduated tax on federal taxable income from TY2027, one schedule for every filing status, not indexed. Standard deduction is the 2027 federal amount; the $12,000 high-income cap carries from 2026. The TABOR temporary rate reduction for 2027 is undetermined. Corporate rate carried from 2026.

1 source— show
  1. Cited for Rate brackets · confirmed

    Primary citation recorded with the tax table entry; coverage beyond the rate brackets is unconfirmed.

How we rate sources — tiers are derived from what published the document, not from our confidence in it.