How does Delaware's progressive income tax work?

Delaware uses a progressive (graduated) income tax system with multiple tax brackets. Only the income within each bracket is taxed at that bracket's rate, so moving into a higher bracket doesn't increase the tax on your lower income.

What are the Delaware tax brackets for 2026?

Delaware has multiple income tax brackets for 2026. Use our calculator above to see exactly which brackets apply to your income and how much you'll owe in state taxes.

Does Delaware have a standard deduction?

Yes. The Delaware standard deduction is $3,250 for single filers and $6,500 for married filing jointly.

How do I calculate my total Delaware tax bill?

Your total tax includes federal income tax (10%–37%), Social Security (6.2% on the first $176,100), Medicare (1.45%), and Delaware state income tax. Use our free calculator above for an instant breakdown.

Delaware Income Tax Calculator 2026

Estimate your Delaware (DE) income tax for 2026. Delaware has a progressive state income tax. Enter your income below and click “Calculate Taxes” for an instant breakdown.

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Delaware Income Tax Overview

Delaware uses a progressive income tax system with multiple brackets. Higher portions of your income are taxed at higher rates.

The standard deduction in Delaware is $3,250 for single filers and $6,500 for married filing jointly.

Frequently Asked Questions

How does Delaware's progressive income tax work?: Delaware uses a progressive (graduated) income tax system with multiple tax brackets. Only the income within each bracket is taxed at that bracket's rate, so moving into a higher bracket doesn't increase the tax on your lower income.
What are the Delaware tax brackets for 2026?: Delaware has multiple income tax brackets for 2026. Use our calculator above to see exactly which brackets apply to your income and how much you'll owe in state taxes.
Does Delaware have a standard deduction?: Yes. The Delaware standard deduction is $3,250 for single filers and $6,500 for married filing jointly.
How do I calculate my total Delaware tax bill?: Your total tax includes federal income tax (10%–37%), Social Security (6.2% on the first $176,100), Medicare (1.45%), and Delaware state income tax. Use our free calculator above for an instant breakdown.

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