State of Delaware Income Tax Delaware State Income Tax
Tax Year 2023

1.1 -

QuickFact: The average family pays $2,047.00 in Delaware income taxes. [1]
Rank: 14th out of 51

Delaware Income Tax Table

Tax Bracket (Single) [2] Tax Bracket (Couple) [3] Marginal Tax Rate
$2,000+ $2,000+ 2.200%
$5,000+ $5,000+ 3.900%
$10,000+ $10,000+ 4.800%
$20,000+ $20,000+ 5.200%
$25,000+ $25,000+ 5.550%
$60,000+ $60,000+ 6.600%

Note: We don't currently have Delaware's income tax brackets for tax year 2024. Until updated 2024 tax rates become available for Delaware, the tax brackets shown above and used in the income tax calculator will be from tax year 2023.

Learn how marginal tax brackets work View an explanation of marginal tax brackets

Delaware Income Tax Calculator

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How to use the Delaware tax estimator How To Use This Calculator
You can use our free Delaware income tax calculator to get a good estimate of what your tax liability will be come April. On the next page, you will be able to add more details like itemized deductions, tax credits, capital gains, and more.
Please remember that the income tax code is very complicated, and while we can provide a good estimate of your Federal and Delaware income taxes, your actual tax liability may be different.

The Delaware Income Tax

Delaware collects a state income tax at a maximum marginal tax rate of %, spread across tax brackets. Unlike the Federal Income Tax, Delaware's state income tax does not provide couples filing jointly with expanded income tax brackets.

Delaware's maximum marginal income tax rate is the 1st highest in the United States, ranking directly below Delaware's %. You can learn more about how the Delaware income tax compares to other states' income taxes by visiting our map of income taxes by state.

Local tax rates are excluded in Delaware and 14 other states that have county or city level income taxes. In Delaware the average income tax rate for counties and large municipalities, weighted by total personal income within each jurisdiction, is 0.16% (Tax Foundation Background Paper, No. 58, "2009 State Business Tax Climate Index").

If you have a question about your Delaware tax return, you can contact the Delaware Department of Finance via email at [email protected] or call the general income tax helpline at 302-577-8200. For refund assistance call 302-577-8784, and for assistance with monthly installments call 302-577-8586.

There are 303 days left until Tax Day, on April 16th 2025. The IRS will start accepting eFiled tax returns in January 2020 - you can start your online tax return today for free with TurboTax TurboTax eFiling.

Compare the state income tax rates in Delaware with the income tax rates in

Delaware Tax Deductions

Income tax deductions are expenses that can be deducted from your gross pre-tax income. Using deductions is an excellent way to reduce your Delaware income tax and maximize your refund, so be sure to research deductions that you mey be able to claim on your Federal and Delaware tax returns. For details on specific deductions available in Delaware, see the list of Delaware income tax deductions.

4.1 - Delaware Standard Deduction

What is the DE Standard Deduction for 2024? Unlike many other states, Delaware has no standard deduction. Certain itemized deductions (including property tax, qualified charitable contributions, etc) may be allowed depending on the income level and filing type of the taxpayer. Keep in mind that not all deductions allowed on your federal income tax return are necessarily going to be allowed on your Delaware income tax return.

4.2 - Delaware Personal Exemptions

Delaware has no personal exemption. The Federal Income Tax, however, does allow a personal exemption to be deducted from your gross income if you are responsible for supporting yourself financially.

4.3 - Delaware Dependent Deduction

Unlike most states, Delaware does not have a dependent deduction. You can, however, claim dependent deductions on your Federal Tax Return.

4.4 - Delaware Itemized Deductions

Delaware allows itemized deductions, and you can claim the same itemized deductions on your Delaware tax return as you do on your Federal tax return. You must choose between itemizing your deductions and choosing the Delaware standard deduction, so it's generally only worth itemizing your deductions if your itemized total is more then the Delaware and Federal standard deductions. For more details, visit the list of Delaware itemized deductions.

Delaware Income Tax Forms provides easy access to five of the most commonly used Delaware income tax forms, in downloadable PDF format. For all of the tax forms we provide, visit our Delaware tax forms library or the 's tax forms page.

Free Printable Delaware Income Tax  Form 200-02 NR Nonresident Income Tax Return
Form 200-02 NR - Nonresident Income Tax Return
Form 200-02 is an amended tax return form for part-time or non-residents who are filing a Delaware income tax return.
Free Printable Delaware Income Tax Form 200-01 Individual Income Tax Return
Form 200-01 - Individual Income Tax Return
Form 200-01 is the default income tax return form for Delaware residents.
Free Printable Delaware Income Tax Form 200ES 5E Application for Automatic Extension
Form 200ES 5E - Application for Automatic Extension
This application allows you to file for an automatic extension of time to file your Delaware Individual Income Tax Return. This form is due by April 30th, 2013.
Free Printable Delaware Income Tax Form 200ES First Quarter Estimated Income Tax (First Quarter)
Form 200ES First Quarter - Estimated Income Tax (First Quarter)
Self employed individuals need to file quarterly estimated income taxes, this form is for the first quarter of 2013 and is due April 30th.
Free Printable Delaware Income Tax Form 200ES Fourth Quarter Estimated Income Tax (Fourth Quarter)
Form 200ES Fourth Quarter - Estimated Income Tax (Fourth Quarter)
Self employed individuals need to file quarterly estimated income taxes, this form is for the fourth quarter of 2013 and is due January 15th, 2014.
Free Printable Delaware Tax Table
Printable Delaware Tax Table & Tax Reference provides a printable Delaware datasheet including an income tax table, a list of Delaware tax deductions, important URLs and addresses, and more. This document is in PDF format.
If you are not a resident of Delaware, have a complicated tax return, or have other specialized circumstances you may need to download additional tax forms from the website. You can find all of Delaware's 2024 income tax forms on the income tax forms page External Link.

How To File Your Delaware Income Tax Return

Once you've filled out your Delaware income tax return, you have several options for filing and paying your income tax. You can mail your return to the at the correct address below, and include your payment by check or money order. You may also electronically file your Delaware tax return through a tax preparer or using online tax software, and pay your taxes instantly using direct debit or a credit card (an additional credit card fee may apply).

Where To Send Your Delaware Tax Return

If you filled out physical tax return forms, mail your completed Delaware income tax return to the Delaware no later then April 15th. Please be sure to send your completed tax forms to the correct address for your filing type.
Income Tax Returns (Balance Due)
Department of Finance
P.O. Box 508
Wilmington, DE 19899 - 508
Income Tax Returns (Refund Owed)
Department of Finance
P.O. Box 8765
Wilmington, DE 19899-8765
Income Tax Returns (Zero Balance)
Department of Finance
P.O. Box 8711
Wilmington, DE 19899-8711

e-Filing: Submit Your Delaware Tax Return Online

You can save time and money by electronically filing your Delaware income tax directly with the . Benefits of e-Filing your Delaware tax return include instant submission, error checking, and faster refund response times. Most tax preparers can electronically file your return for you, or you can do it yourself using free or paid income tax software, like the examples listed below.

Delaware supports eFiling most versions of Form 200 - Form 200-01 (Individual Resident Income Tax Return), Form 200-02 NR (Individual Non-Resident Income Tax Return. Form), and 200-03 EZ (Individual Resident Income Tax Return EZ). Additional forms have to be sent directly to the Delaware Department of Finance. To support taxpayers who wish to electronically file their returns, Delaware provides the Delaware e-Filing Handbook, which includes all necessary information and answers to frequently asked questions.

To e-file your Delaware and Federal income tax returns, you need a piece of tax software that is certified for eFile by the IRS. While most in-depth tax software charges a fee, there are several free options available through the states, and simple versions are also offered free of charge by most tax software companies.

The two most popular tax software packages are H&R Block At Home, sold by the H&R Block tax preparation company, and TurboTax Federal & State, sold by the Intuit software company. Both companies produce multiple editions for simple to very complex tax returns, so be sure to carefully compare the features offered by each package.

Getting Your Delaware Tax Refund

Your Delaware Income Tax Refund Online

If your state tax witholdings are greater then the amount of income tax you owe the state of Delaware, you will receive an income tax refund check from the government to make up the difference.

It should take one to three weeks for your refund check to be processed after your income tax return is recieved. E-filing your return and filing early can help ensure your refund check gets sent as quickly as possible.

Once you've filed your tax return, all you have to do is wait for your refund to arrive. If you want to check the status of your Delaware tax refund, you can visit the Delaware Income Tax Refund page.


  1. Our state ranking and income tax figures are based on a family of four (married parents with two children) earning the national median household income of $50,000 per year. Deductions and personal exemptions are taken into account, but some state-specific deductions and tax credit programs may not be accounted for.
  2. Before the official 2024 Delaware income tax rates are released, provisional 2024 tax rates are based on Delaware's 2023 income tax brackets.
  3. The 2024 state personal income tax brackets are updated from the Delaware and Tax FoundationExternal Link data.
  4. Delaware tax forms are sourced from the Delaware income tax forms pageExternal Link, and are updated on a yearly basis. Please make sure the Delaware forms you are using are up-to-date.