TaxMath

2025 Kentucky Income Tax Brackets & Rates

Federal and state tax brackets, capital gains rates, and corporate tax rates for Kentucky 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%

Kentucky State Income Tax Brackets (2025)

FromToRate
$04.00%

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
5.00%
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.

Kentucky — 2025

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

    KY DOR individual income tax overview: 'The tax rate is four (4) percent.'

  2. Cited for Corporate rate · confirmed

    'For tax years beginning on or after January 1, 2018, the previous rate brackets have been replaced with a flat 5% tax rate.'

  3. Cited for Rate brackets · confirmed

    Enacted HB1 (2025 RS) bill text/summary: reduces rate 'from four percent to 3.5 percent' for tax years beginning 1/1/2026, confirming prior rate was 4%.

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