Tool · Fintech
Delaware income tax calculator
Delaware state, local and federal income tax for 2025 or 2026.
Other income
Family
Deductions and adjustments
Federal deduction up to $25,000, 2025-2028.
The extra half-time pay; federal deduction up to $12,500 ($25,000 joint).
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How it’s calculated
2025: 0% to 6.6% (top rate over $60,000). 2026: Same schedule.
Wilmington levies 1.25% on earned income.
The calculator applies Delaware's own starting income, deductions, exemptions and main credits for the year chosen. The sources for every figure are linked under the Delaware result.