Delaware Individual Income Tax Forms (Tax Year 2025)
Delaware individual income taxes are administered by the
Delaware Division of Revenue.
This page provides official resources for Delaware individual income tax forms for tax year 2025, filed in 2026.
File Delaware Income Tax Online (2025)
Delaware provides electronic filing and payment through its official online system.
Taxpayers can file returns, make payments, and manage accounts using the
Delaware online tax services portal.
Quick Links (Official Delaware Division of Revenue)
The official Delaware Division of Revenue website is available at
Delaware Division of Revenue.
General information about individual income tax is available on the
Delaware personal income tax overview page.
Official Delaware tax forms for all years are available in the
Delaware tax forms library.
Delaware Individual Income Tax Forms (2025)
Delaware residents file their state income tax return using
Form 200-01, Delaware Resident Individual Income Tax Return.
Nonresidents and part-year residents file using
Form 200-02, Delaware Nonresident Individual Income Tax Return.
Taxpayers who itemize deductions may be required to include
Schedule A
with their Delaware individual income tax return.
Credits available under Delaware law are reported using
Delaware individual income tax credit schedules.
State income tax withholding is documented using
Delaware withholding schedules.
Estimated Payments and Amendments (2025)
Estimated individual income tax payments are made using
Form 200-ES.
Previously filed Delaware individual income tax returns may be corrected using
Form 200-01-X or Form 200-02-X.
An extension of time to file may be requested using
Form 1027.
Delaware Individual Income Tax Deadlines (Tax Year 2025)
Delaware individual income tax returns for tax year 2025 are due April 15, 2026.
Approved filing extensions generally run through October 15, 2026.
Estimated tax payments are generally due on April 15, June 15, September 15, 2026, and January 15, 2027.
Delaware Taxpayer Resources (2025)
Taxpayers can file, pay, and manage their accounts using the
Delaware online tax services portal.
Additional guidance is available on the
Delaware personal income tax guidance page.
Contact information for the Delaware Division of Revenue is available on the
official contact page.
Disclaimer
This page links to official Delaware Division of Revenue resources for informational purposes only.
Tax laws, forms, and filing requirements may change.
Always verify information on the official Delaware Division of Revenue website.
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