You may especially if you want a refund of your withheld taxes. Here is more information.
Illinois
Nonresidents must file if:
1.They earned enough income from Illinois sources to have a Illinois tax liability. To determine if you have a Tax for Illinois income determine:
Illinois Base Income is Greater than Illinois Exemption Allowance:
- $2,175 for each
exemption claimed on federal return,
- Additional $2,175 if
claimed as a dependent on another person’s return and Illinois base income is
$2,100 or less,
- Additional $1,000 per
individual for taxpayer (and/or spouse) if 65 or older and
- Additional $1,000 per
individual for taxpayer (and/or spouse) if blind.
2. They want a refund of their Illinois withheld taxes.
