Do you work in Indiana and live in Illinois do you have to pay Illinois taxes?

Yes, if you work in Indiana but live in Illinois, you will need to pay Illinois state income taxes on all of your income, including what you earn in Indiana. Illinois residents are taxed on their worldwide income. However, you may be eligible for a credit on your Illinois tax return for taxes paid to Indiana, which can help avoid double taxation. It's advisable to consult a tax professional for specific guidance based on your situation.