TaxMath

2026 Colorado Income Tax Brackets & Rates

Federal and state tax brackets, capital gains rates, and corporate tax rates for Colorado in tax year 2026.

Federal Income Tax Brackets (2026)

FromToRate
$0$12,40010.00%
$12,400$50,40012.00%
$50,400$105,70022.00%
$105,700$201,77524.00%
$201,775$256,22532.00%
$256,225$640,60035.00%
$640,60037.00%

Colorado State Income Tax Brackets (2026)

FromToRate
$04.40%

Federal Capital Gains Tax Brackets (2026)

FromToRate
$0$49,4500.00%
$49,450$545,50015.00%
$545,50020.00%

Additional Information

Federal Corporate Tax Rate
21.00%
State Corporate Tax Rate
4.40%
Federal Standard Deduction (Single)
$16,100

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) — 2026

OfficialValues verified
3 sources— show
  1. Cited for Rate brackets, Standard deduction, Capital gains, Corporate rate · confirmed

    Section 4.14(1) table, page 18 of the PDF

  2. Cited for Rate brackets, Standard deduction · confirmed

    Press release states $16,100 directly

  3. Cited for Corporate rate · confirmed

    Official U.S. Code text: flat 21% corporate rate under §11(b)

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

Colorado — 2026

ProvisionalValues verified

2026 state values currently carry forward 2025 structures/rates unless separately updated.

5 sources— show
  1. Cited for Capital gains · confirmed

    Official CO DOR publication; no 2026-specific change to the capital gain subtraction rules found

  2. Cited for Standard deduction · confirmed

    Official CO DOR guide: addback limit table shows 'Tax Years 2023-2025: $12,000 single/$16,000 joint' vs '2026 and later: $1,000 single/$2,000 joint'

  3. Cited for Rate brackets, Corporate rate · confirmed

    Colorado Legislative Council Staff, Sept 2025 forecast, TABOR Outlook section (~p.31): rate-reduction mechanism not triggered for TY2025 or TY2026; base rate stays 4.40%

  4. Cited for Rate brackets · confirmed

    Bill to make 4.25% permanent for TY2025+ — status 'Lost', postponed indefinitely Feb 27 2025

  5. Cited for Rate brackets · confirmed

    Bill to cut rate to 4.0% for TY2025+ — status 'Lost', postponed indefinitely Feb 12 2024

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