I moved to a new state mid-year — how do I handle part-year state returns?

When you move between states during the year, you generally file a part-year resident return in each state, splitting your income based on when you earned it in each place. Each state taxes the income attributable to your residency period there, and many start from your federal AGI then allocate. If you kept earning income sourced to your old state after moving (like a rental or a job), it can get more complex, and you may need a nonresident return too. States that share borders sometimes have reciprocity agreements so you only pay where you live. To avoid double taxation, your new state usually offers a credit for tax paid to the old state on the same income. Keep your move date, pay stubs by location, and W-2 state boxes handy. Good tax software handles multi-state allocation, but a complex move is a fair reason to consult a CPA.