Delaware Tax Bracket Calculator — Updated 2026
State abbreviation: DE
In Delaware, your federal tax bracket is supplemented by a state income tax rate of 6.6%. Understanding your marginal tax rate—federal plus state—helps you optimize deductions, retirement contributions, and investment decisions. The combined tax burden varies significantly by state.
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Delaware Financial Data (2026)
- State Tax Rate
- 6.6%
- Property Tax Rate
- 0.57%
- Median Home Price
- $375,000
- Avg Insurance Cost
- $1,440/year
- Cost of Living Index
- 103
- State Abbreviation
- DE