Wisconsin Individual Income Tax Forms (Tax Year 2025)

Wisconsin individual income taxes are administered by the Wisconsin Department of Revenue.
This page provides official resources for Wisconsin individual income tax forms for tax year 2025, filed in 2026.

File Wisconsin Income Tax Online (2025)

Wisconsin provides electronic filing and payment through its official online system.
Taxpayers can file returns, make payments, and manage accounts using
Wisconsin e-Services.

Quick Links (Official Wisconsin Department of Revenue)

The official Wisconsin Department of Revenue website is available at
Wisconsin Department of Revenue.

General information about individual income tax is available on the
Wisconsin individual income tax overview page.

Official Wisconsin tax forms for all years are available in the
Wisconsin Department of Revenue forms library.

Wisconsin Individual Income Tax Forms (2025)

Wisconsin residents file their state income tax return using
Form 1, Wisconsin Individual Income Tax Return.

Nonresidents and part-year residents file using
Form 1NPR, Wisconsin Nonresident and Part-Year Resident Income Tax Return.

Taxpayers who make estimated payments use Form 1-ES.

An extension of time to file may be requested using Form 1-EXT.

Previously filed Wisconsin individual income tax returns may be corrected using
Form 1X, Amended Wisconsin Individual Income Tax Return.

Wisconsin Individual Income Tax Deadlines (Tax Year 2025)

Wisconsin 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.

Wisconsin Taxpayer Resources (2025)

Taxpayers can file returns and make payments using Wisconsin e-Services.

Additional guidance is available on the Wisconsin individual income tax guidance page.

Contact information for the Wisconsin Department of Revenue is available on the official contact page.

Disclaimer

This page links to official Wisconsin Department of Revenue resources for informational purposes only.
Tax laws, forms, and filing requirements may change.
Always verify information on the official Wisconsin Department of Revenue website.