State Income Tax
Delaware imposes a state income tax using a graduated tax structure with 6 brackets ranging from 2.2% to 6.6%. The filing deadline is 2026-04-30. Social Security benefits are exempt from Delaware state income tax. Retirement income is generally taxable. Social Security exempt; up to $12,500 exclusion for pension/retirement for age 60+.
Retirement Income Details
Social Security exempt; up to $12,500 exclusion for pension/retirement for age 60+.
Does Delaware have a state income tax?
Yes. Delaware has a state income tax with a graduated structure ranging from 2.2% to 6.6% across 6 brackets.
What is the Delaware income tax rate?
Delaware has a graduated income tax with 6 brackets. The lowest rate is 2.2% and the highest rate is 6.6%.
Is Social Security taxed in Delaware?
No. Delaware does not tax Social Security benefits, which can be significant for retirees living on fixed incomes.
Is retirement income taxed in Delaware?
Yes. Delaware generally taxes retirement income. Social Security exempt; up to $12,500 exclusion for pension/retirement for age 60+.
When is the Delaware income tax filing deadline?
The Delaware state income tax filing deadline is 2026-04-30. You can file and pay through the official Delaware Department of Revenue portal.
What is the standard deduction in Delaware?
Delaware's standard deduction is $3,250 for single filers and $6,500 for married filing jointly. A personal exemption of $110 (single) may also apply.
How does Delaware income tax compare to neighboring states?
Delaware's top rate of 6.6% is in the moderate range nationally. Use the comparison table above to see how neighboring states compare.
Official Payment Portal
Delaware Department of Revenue
Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.