If you work from your home and it is considered your resident state and the income is earned in that state, then you would only owe income tax to that state.
No, in your case, you do not have to pay Illinois state taxes because you are a Florida resident with Florida sourced income (meaning your income was earned in Florida).
You can potentially deduct your home office related expenses as job expenses, if you itemized deductions by entering them using the directions in the FAQ below:
