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Tax Brackets, Rates and Standard Deductions in Delaware

You can prepare and e-File your 2021 Delaware Income Taxes here on eFile.com together with your Federal Income Tax Return. Information on how to only file a Delaware State Income Return.

Find Delaware income tax forms, tax brackets and rates by tax year.

If you still need to file a return for a previous tax year, find the Delaware tax forms below. You can complete and sign the forms here on eFile.com before you mail them to the DE Division of Revenue. For Federal or IRS back taxes access the tax forms here.

Below find links to other important Delaware income tax return information and other related features (e.g. tax extension, amendment, etc.)

Delaware Income Tax Returns

Delaware Income Taxes
Prepare only a DE State Return without an IRS return. Details
Step by Step instructions on how to only Prepare and Download - not eFile - State Returns on eFile.com.
File a 2021 Delaware Tax Amendment
Delaware Income Tax Forms
Delaware Tax Brackets, Rates explained
IRS Tax Brackets, Rates by Tax Year
Calculate and Estimate your IRS Income Tax Brackets and Rates with the eFile RATEucator.

Income Tax Brackets, Rates, Income Ranges, and Estimated Taxes Due

Here you can find how your Delaware based income is taxed at different rates within the given tax brackets. When you prepare your return on eFile.com this is all calculated for you based on your income.

Delaware Tax Brackets for Tax Year 2021

2021 Tax Brackets and Income ranges will be listed here as they become available.

Delaware Tax Brackets for Tax Year 2020

As you can see your income in Delaware is taxed at different rates within the given tax brackets. Any income over $60,000 would be taxes at the highest rate of 6.6%.

Tax Rate
Income Range
Taxes Due
$0 to $2,000
0% of Income
$2,000 to $5,000
2.2% of Income
$5,000 to $10,000
$66 + 3.9%
$10,000 to $20,000
$261 + 4.8%
$20,000 to $25,000
$741 + 5.2%
$25,000 to $60,000
$1,001 + 5.5%
$2943.50 + 6.6% over $60,000

2021 Delaware Standard Deductions

The Delaware standard deductions did not increase for Tax Year 2021.

Tax Year
Married Jointly
Married Jointly

Delaware Income Tax Forms

Delaware State Income Tax Forms for Tax Year 2021 (Jan. 1 - Dec. 31, 2021) can be e-Filed in conjunction with a IRS Income Tax Return. Details on how to only prepare and print a Delaware 2021 Tax Return.

Below are forms for prior Tax Years starting with 2020. These back taxes forms can not longer be e-Filed. You can complete the forms with the help of eFile.com free tax calculators. Complete the respective Form(s) below, sign, and mail them to the Delaware Division of Revenue. In addition to filing Delaware Forms you might also have to file previous IRS Tax Return Forms.


A list of income tax forms for other states.