@anon42 - you may want to read this link and the FAQs.
https://www.pa.gov/agencies/revenue/resources/tax-types-and-information/personal-income-tax/determin....
Where am I domiciled?
A domicile is the place at which an individual maintains his/ her permanent abode and to which he/she intends to return whenever absent. A person may only have one domicile at any one time.
