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Delaware Income Tax Calculator

Estimate your 2026 combined federal and Delaware income tax — Delaware adds progressive state income tax on top of federal.

InputsTY-2026
$
$
$
Federal + state tax18.5% effective
$18,539/yr
10% on $12,400$1,240
12% on $38,000$4,560
22% on $33,500$7,370
federal tax subtotal$13,170
DE state tax$5,369
taxable income
$83,900
marginal rate
22.0%
after tax
$81,461

A single filer earning Delaware's median household income of $85,860 owes about $4,436 in Delaware state income tax — an effective state rate of 5.17%. That is state tax only, on top of federal income tax and FICA.

Based on 2026 Delaware rules and 2026 federal rules, with the standard deduction and no other adjustments. Median income is the 2024 Census figure.

Income tax in Delaware

Delaware taxes income above a $2,000 exempt threshold at rates from 2.2% to 6.6%, with the same brackets for all filing statuses; the top rate applies above $60,000. A 2025 bill (HB 13) proposed new 6.75% and 6.95% top tiers, but it was not enacted, so 6.6% remains the top rate. Wilmington levies a separate 1.25% local wage tax not included here.

Delaware income tax structure (2026)

Delaware uses 7 progressive brackets on income above a $3,250 standard deduction (single). Single-filer brackets:

$0 – $2,0000%
$2,001 – $5,0002.20%
$5,001 – $10,0003.90%
$10,001 – $20,0004.80%
$20,001 – $25,0005.20%
$25,001 – $60,0005.55%
over $60,0016.60%

Married-filing-jointly thresholds differ (roughly double in most states). Each slice of income is taxed at its own rate — landing in a bracket does not tax your whole income at that rate.

Common questions

What are Delaware's income tax brackets?
Delaware's 2026 schedule leaves the first $2,000 of taxable income untaxed, then applies six rates from 2.2% up to 6.6% above $60,000 (single filer). The same thresholds apply to joint filers, though the standard deduction doubles.
What is the top income tax rate in Delaware?
6.6%, and it begins at $60,000 of taxable income for a single filer — about $63,250 of gross pay, once the $3,250 Delaware subtracts first is added back. Only income above that point is taxed at that rate; everything below it is taxed in the lower bands.
What is the tax bill on $85,860 in Delaware?
A single filer on Delaware's $85,860 median household income (2024 Census figure) owes roughly $4,436 to Delaware — an effective state rate of 5.2% against a 6.6% marginal bracket — plus about $10,059 of federal income tax.
Does Delaware have a standard deduction?
Yes — $3,250 for a single filer and $6,500 on a joint return, subtracted before Delaware's 2.2%-to-6.6% schedule is applied. A single filer earning less than $3,250 therefore owes no Delaware income tax at all, and at the state's $85,860 median income it saves about $215 of tax.

How we calculate this

Federal brackets per our income-tax methodology, plus Delaware's 2026 state tax. Estimates only — not tax advice.

Delaware Code Title 30 Sec. 1102 (rate schedule) and Sec. 1108 (standard deduction) — official Delaware Code →Tax Foundation: 2026 state individual income tax rates and brackets (updated Feb 11, 2026) →

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Estimates for general informational purposes only; not tax advice. Delaware figures are simplified (credits, local taxes, and AGI adjustments vary) and should be verified with the state Department of Revenue. This estimate does not model Wilmington's city wage tax. Delaware's six-rate 2.2%–6.6% schedule is applied with the $3,250 standard deduction for a single filer — not itemized deductions or any Delaware tax credit.