Delaware State Income Tax Calculator
Calculate your Delaware state income tax liability for 2026
About Delaware State Income Tax
Tax Brackets & Rates (2026)
| Income Range | Tax Rate |
|---|---|
| $0 - $2,000 | 2.2% |
| $2,000 - $5,000 | 3.9% |
| $5,000 - $10,000 | 4.8% |
| $10,000 - $20,000 | 5.2% |
| $20,000 - $25,000 | 5.55% |
| Over $25,000 | 6.6% |
Deductions & Exemptions
- Standard Deduction: $3,250
- Personal Exemption: $110 per taxpayer
How Delaware State Income Tax Works
Delaware uses a progressive tax system with 6 tax brackets. As your income increases, different portions are taxed at higher rates. Only the income within each bracket is taxed at that bracket's rate.
Tips for Delaware Taxpayers
- File your state return by the same deadline as federal taxes (typically April 15)
- Consider itemizing deductions if they exceed the standard deduction
- Make estimated quarterly payments if you're self-employed or have significant investment income
- Keep detailed records of all income, deductions, and tax payments
- Consider contributions to tax-advantaged accounts like 401(k)s and IRAs to reduce taxable income