Delaware Income Tax Calculator

Estimate your 2026 Delaware state income tax in seconds. Enter your annual income and filing status — this free Delaware income tax calculator applies the verified 2026 Delaware brackets, standard deduction, exemptions and credits. Runs entirely in your browser.

In 2026, Delaware has a graduated income tax ranging from 2.2% to 6.6%. Delaware offers a $3,250 standard deduction for single filers ($6,500 joint) and a $110 per-filer credit. Delaware uses the same brackets for single and joint filers.

Good to know: Delaware uses the same brackets for single and joint filers.

Delaware 2026 Income Tax Brackets

Taxable income (Single)Rate
Over $2,000 – $5,0002.2%
Over $5,000 – $10,0003.9%
Over $10,000 – $20,0004.8%
Over $20,000 – $25,0005.2%
Over $25,000 – $60,0005.55%
Over $60,0006.6%

Marginal rates: only income inside each band is taxed at that band's rate.

Frequently Asked Questions

What is the Delaware income tax rate for 2026?

Delaware has a graduated income tax ranging from 2.2% to 6.6%.

What deductions and exemptions does Delaware offer?

Delaware offers a $3,250 standard deduction for single filers ($6,500 joint) and a $110 per-filer credit.

How accurate is this Delaware income tax estimate?

It is an annualized estimate: your income minus the 2026 standard deduction (and any state exemptions/credits shown), run through 2026 marginal brackets. It does not include pre-tax deductions like 401(k) contributions, itemized deductions, phaseouts, or local income taxes. Your actual liability can differ.

Sources

Tax figures verified September 2026 for tax year 2026.

Estimate only — not tax advice. This calculator annualizes your income, subtracts the 2026 standard deduction (and state personal exemptions/credits where shown), and applies 2026 marginal brackets. It does not model pre-tax deductions (401(k), health insurance), itemized deductions, credits you may qualify for, phaseouts, or local/city/county income taxes. Consult a tax professional for your situation.