To add a bit to @xmasbaby0 's answer:
Your drivers license does not determine your state of residence for tax purposes. If your main, primary home (your domicile in tax terminology) is in CT, then for tax purposes you are a resident of CT. If you moved into or out of CT during the tax year, then for tax purposes you are a part-year resident of CT and a part-year resident of the other state.
If you moved into CT, then you became a resident of CT on the day you began living there with the intent of making it your new domicile, not on the day you got your CT drivers license. That's because some people wait weeks or months after a move to obtain their new license.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
