Delaware Income Taxes and DE State Tax Forms

Delaware State Income Taxes for Tax Year 2022 (January 1 - Dec. 31, 2022) can be prepared and e-Filed now along with an IRS or Federal Income Tax Return (or you can learn how to only prepare and file a DE state return). The Delaware tax filing and tax payment deadline is May 2, 2023. Find IRS or Federal Tax Return deadline details.

efile Delaware tax return
"The First State"

The 2020 Delaware State Income Tax Return forms for Tax Year 2022 (Jan. 1 - Dec. 31, 2022) can be e-Filed together with the IRS Income Tax Return by the April 18, 2023 due date. If you file a tax extension you can e-File your Taxes until October 16, 2023 without a late filing penalty. However, if you owe Taxes and don't pay on time, you might face late tax payment penalties. Tip: File on time, even if you can't pay on time, as the late filing penalties are higher than the late payment penalties.

Prepare and eFfile your IRS and Delaware State Tax Return (e.g resident, nonresident, or part-year resident returns) together on The IRS and the respective State Tax Agencies require you to e-file a Federal Income Tax Return at the same time you e-file a State Tax Return. This is not an policy but an IRS and State Agency policy. Thus, technically you cannot e-File anywhere - not just - a Delaware Tax Return without also e-filing the associated IRS Tax Return. But there is good news, please read on.

Detailed instructions on how you can only prepare and mail in - not eFile - a Delaware 2022 Tax Return - here via However, you must download/print and sign the forms and mail them to the Tax Agency.

Delaware State Income Tax Rate: 6.6%
Where Is Your Delaware Tax Refund Money?
Step 1: Sign into your account and check acceptance by the Tax Agency.
Step 2: Check your Delaware Tax Refund Status.
Where is Your IRS Refund?
Step 1: Sign into your account and check acceptance by the IRS.
Step 2: Check your IRS Tax Refund Status.
Delaware Income Tax Extension
Delaware Income Tax Amendment
How to correct a rejected Tax Return
If your DE Tax Return was rejected by the DE Tax Agency - not - instructions on how to correct a rejected Delaware Tax Return.
Delaware, IRS Late Filing, Tax Payment Penalties
1. Failure to file or pay Estimated Taxes: 1.5% the total tax due per month.
2. Late Filing Penalty: It amounts to 5% the tax due per month, and can't exceed 50% of the total tax due.
3. Late Payment Penalty: A penalty for failing to pay is imposed when the taxpayer doesn't pay the tax due on time. It amounts to 1% of the total tax due per month, and can't exceed 25% of the total tax due.
4. IRS Penalties: Calculate and Estimate your potential IRS Income Tax Return Penalties.
DE Tax Return Mailing Addresses
Find various Delaware Mailing Addresses for tax returns, tax amendments, and tax payments.
Delaware Income Tax Brackets
Delaware Income Tax Forms
Delaware Unemployment Benefits
Delaware fully taxes unemployment income at the state level.
Delaware Marriage Penalty

Start Federal and Delaware Tax Returns

E-File These 2022 Delaware State Tax Forms

Prepare and e-File these state forms for 2022 in conjunction with your Federal and State Income Tax Return. As you proceed through the tax interview on, the application will select the correct state forms for you. You can also select tax forms individually. All these forms will then be e-filed by you to the State Tax Agency. Instructions on how to only prepare a state income tax return.


* Due to IRS and State Tax Agency tax data sharing and validation requirements, you can only e-file a State Income Tax Return while also e-filing a Federal Income Tax Return. This is not an created policy, but all online tax web sites have to adhere to this IRS/state issued tax data sharing policy. You can however prepare all 44 State Income Tax Returns on if you have already e-Filed or filed your IRS return. Instructions on how you can ONLY prepare and file State Income Tax Return(s). Only on can you prepare, file or e-file unlimited State Tax Returns for one low price and not pay for each State return like you would do on H&R Block® vs. TurboTax®. Dare to Compare Now.