Delaware State Income Tax Calculator
Calculate your 2026 Delaware state income tax. See your bracket breakdown, effective rate, and how Delaware compares to neighboring states.
Your Tax Inputs
The annual amount is gross income minus entered pre-tax deductions and modeled federal and state income tax. Monthly and weekly amounts divide it by 12 and 52. These allocations exclude Social Security and Medicare (FICA), local taxes, other payroll taxes, and unmodeled paycheck deductions. They do not estimate paycheck take-home or actual withholding.
Effective State Income Tax Rate vs Neighboring States
About Delaware state taxes (Tax year 2026)
Delaware uses a progressive income tax with 7 brackets ranging from 0% to 6.6%. Delaware is notable for having no sales tax, which partially offsets its above-average income tax rates.
Delaware has no sales tax at all. This applies to all goods and services statewide.
Delaware's top rate of 6.6% is above the national average, but its complete lack of sales tax makes it attractive for shopping and keeps the overall tax burden moderate.
Filing in Delaware: returns for tax year 2026 are administered by the Delaware Division of Revenue and are generally filed in 2027 by the federal April deadline unless Delaware declares a state-specific extension. Tax type on this return: Progressive. Top marginal rate: 6.6%. State sales-tax rate: 0%. For the most current contact info, see the Federation of Tax Administrators directory.
Delaware — What is Delaware's income tax rate? Delaware has a progressive income tax with 7 brackets ranging from 0% on the first $2,000 to 6.6% on income over $60,000.
Delaware — Does Delaware have a sales tax? No, Delaware has no state or local sales tax. It is one of five states with no sales tax (along with Montana, New Hampshire, Oregon, and Alaska at the state level).
Delaware — Why do so many companies incorporate in Delaware? Delaware offers favorable corporate laws, a specialized Court of Chancery for business disputes, and no sales tax. However, incorporating in Delaware does not exempt businesses from taxes in states where they operate.
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How this page is reviewed
See methodology, assumptions & sources
| Risk tier | High YMYL |
|---|---|
| Author | Calculover Editorial Team Tax education |
| Editorial owner | Calculover Tax & Payroll Desk State-tax methodology owner |
| Reviewer | Calculover Editorial Review Government-source and limitation review |
| Last reviewed | 2026-11-06 |
| Last verified | 2026-11-06 |
| Data effective date | 2026-01-01 |
| Jurisdiction | Delaware |
Methodology
These pages estimate annual state income tax for the selected 2026 jurisdiction and filing status. The route's coverage panel identifies the supported income basis, deductions, credits and exclusions.
Assumptions
- Enter the income basis and eligible pre-tax deductions requested by the calculator; gross wages, federal AGI and state AGI are not interchangeable.
- Some methods require confirmed state facts or explicit projection assumptions. An unavailable component is not zero tax.
Limitations
- The estimate excludes unmodeled income, adjustments, local taxes and special filing situations. Utah's indexed-credit assumptions remain provisional while final 2026 instructions are pending.
- Annual liability differs from withholding and paycheck take-home. Confirm the current official forms and source versions for a complete return.
Sources
- State Tax Rates, Federation of Tax Administrators
- State Individual Income Tax Rates and Brackets, Tax Foundation
- State Government Resources, Internal Revenue Service
Professional guidance: This page is for state-tax education only and is not tax, legal, financial, or investment advice. State tax decisions and multi-state filing should be reviewed with a CPA or enrolled agent licensed in the relevant states.