TaxMath

2025 Colorado Income Tax Brackets & Rates

Federal and state tax brackets, capital gains rates, and corporate tax rates for Colorado in tax year 2025.

Federal Income Tax Brackets (2025)

FromToRate
$0$11,92510.00%
$11,925$48,47512.00%
$48,475$103,35022.00%
$103,350$197,30024.00%
$197,300$250,52532.00%
$250,525$626,35035.00%
$626,35037.00%

Colorado State Income Tax Brackets (2025)

FromToRate
$04.40%

Federal Capital Gains Tax Brackets (2025)

FromToRate
$0$48,3500.00%
$48,350$533,40015.00%
$533,40020.00%

Additional Information

Federal Corporate Tax Rate
21.00%
State Corporate Tax Rate
4.40%
Federal Standard Deduction (Single)
$15,750

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) — 2025

OfficialValues verified
4 sources— show
  1. Cited for Rate brackets · confirmed

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

  2. Cited for Rate brackets, Standard deduction, Capital gains · confirmed

    Section 2.15(1): 2025 standard deduction for unmarried individuals = $15,000 (pre-OBBBA)

  3. Cited for Standard deduction, Corporate rate · confirmed

    Section 3.01: removes Rev. Proc. 2024-40 §2.15(1); restates 2025 amount as $15,750 under OBBBA §70102

  4. 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 — 2025

OfficialValues verified
4 sources— show
  1. Cited for Rate brackets, Standard deduction · confirmed

    Official CO DOR guide, fetched via curl (WebFetch 403s the domain); rate table lists 2019-2025 rates, 2025 = 4.4%

  2. Cited for Capital gains · confirmed

    Official CO DOR publication, fetched via curl; confirms 2022+ restriction to farm real property / Schedule F filers only

  3. Cited for Corporate rate · confirmed

    Official CO DOR guide, fetched via curl; rate table shows TY2025 = 4.4%

  4. Cited for Rate brackets · confirmed

    Colorado Legislative Council Staff Sept 2025 forecast, p.35-36: 'Proposition 121 reduced the income tax rate from 4.55 percent to 4.40 percent beginning in tax year 2022'; confirms 2025 rate reduction mechanism not triggered

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