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.)
Prepare only a DE State Return without an IRS return. Details
File a 2021 Delaware Tax Amendment
Delaware Income Tax Forms
Delaware Tax Brackets, Rates explained
IRS Tax Brackets, Rates by Tax Year
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.
2021 Tax Brackets and Income ranges will be listed here as they become available.
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%.
$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
The Delaware standard deductions did not increase for Tax Year 2021.
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.