Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Tax Forms and Publications: Filing Information

Deadline

Deadline for filing 2020 tax returns: Thursday April 15, 2021

U.S. Internal Revenue Service

More Local Tax Information and Assistance

Wisconsin Department of Revenue

Reference Resources

Available in the Ready Reference collection at Murphy Library.