As tax season nears, here's everything Illinois taxpayers should know, including important deadlines and how to file ...

The deadline for filing individual tax returns is April 15, 2026, which is also the deadline for requesting a six-month ...

Tax Day is when individual federal tax returns and tax payments are due. Illinois residents can begin filing as soon as the ...

Illinois income taxes are calculated differently than in some other states, levying a flat personal income tax rather than following a tiered structure. Many, or all, of the products featured on this ...

Before filing your tax return, be sure you understand these 14 key tax forms, what they're for, and how they can impact your ...