If you live in IA and work in IL, file Illinois Form IL-W-5-NR with your employer so as to preclude withholding of Illinois income tax. Here's a link to that form:
https://tax.illinois.gov/content/dam/soi/en/web/tax/forms/withholding/documents/currentyear/il-w-5-n...
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
