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Delaware State Income Tax Calculator (2025)

Calculate your Delaware state income tax for 2021–2025. See all 7 brackets (0%–6.6%), standard deduction, personal exemption credits, and effective rates.

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Delaware State Tax

$3,609

4.81%

DE Effective Rate

Effective Rate

4.81%

Taxable Income

$71,750

After-Tax Income

$71,391

Summary

On $75,000 gross income, you owe an estimated $3,609 in Delaware state taxes for 2025.

Delaware has 7 marginal brackets from 0% to 6.6%. The first $2,000 of taxable income is tax-free, and all filing statuses use the same bracket thresholds — only the standard deduction differs.

Using the $3,250 Delaware standard deduction for Single. Delaware's standard deduction is $3,250 regardless of tax year.

A $110 tax credit ($110 personal exemption) has been applied. Delaware's exemptions are structured as credits ($110 each) rather than deductions.

Your top Delaware bracket is 6.60%. Your effective rate of 4.81% is lower than your marginal rate due to progressive taxation and the tax-free first $2,000.

Tax by Bracket

2.20% bracket$66
3.90% bracket$195
4.80% bracket$480
5.20% bracket$260
5.55% bracket$1,943
6.60% bracket$776

Delaware Bracket Breakdown

7 rows

RateFromToTaxableTax
0.00%$0$2,000$2,000$0
2.20%$2,000$5,000$3,000$66
3.90%$5,000$10,000$5,000$195
4.80%$10,000$20,000$10,000$480
5.20%$20,000$25,000$5,000$260
5.55%$25,000$60,000$35,000$1,943
6.60%$60,000$71,750$11,750$776

Delaware state income tax only — excludes Wilmington city wage tax and other local taxes. Does not account for additional credits or special situations. Not tax advice.

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