A residence is a place of some permanency, while a domicile is a true, fixed permanent home to which an individual intends to return after an absence. An affidavit of domicile is a legal document that verifies the primary place of residency of someone after their death."Domicile" is the state where one has his or her true and permanent home. The following list contains some of the factors courts have considered as indicative of an intent to establish domicile in a new state. A person's domicile is the place where they have their most settled legal connection. Residency is where one chooses to live. Domicile is more permanent and is essentially somebody's home base.