TaxMath

2025 Delaware Income Tax Brackets & Rates

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

Delaware State Income Tax Brackets (2025)

FromToRate
$0$2,0000.00%
$2,000$5,0002.20%
$5,000$10,0003.90%
$10,000$20,0004.80%
$20,000$25,0005.20%
$25,000$60,0005.55%
$60,0006.60%

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
8.70%
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.

Delaware — 2025

OfficialValues verified

Delaware individual/corporate tax law (30 Del. C. §§1102(a)(14), 1108(a)(3), 1110(b), 1902(a)) is unamended and non-sunsetting; TY2026 carries the same values forward correctly, not as a placeholder.

7 sources— show
  1. Cited for Rate brackets · confirmed

    Official DOR page; states brackets apply 'for tax years 2014 and later'; fetched live, current as of 2026-07-19

  2. Cited for Rate brackets · confirmed

    Official 2025 DOR tax computation table; downloaded and text-extracted locally (WebFetch's built-in summarizer could not parse it)

  3. Cited for Rate brackets · confirmed

    Delaware Code Title 30 §1102(a)(14) - the enacted statute itself

  4. Cited for Capital gains · confirmed

    Official DOR resident return instructions; Line 7a capital gain folds into ordinary total income; text-extracted locally via pypdf after WebFetch's summarizer failed on the raw PDF

  5. Cited for Corporate rate · confirmed

    Delaware Code Title 30 §1902(a), fetched live

  6. Cited for Corporate rate · confirmed

    Official 2025 CIT instructions, Line 13; text-extracted locally via pypdf

  7. Cited for Corporate rate · confirmed

    Official DOR FAQ corroboration

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