A domicile is a place you claim as your permanent home, and it affects the laws, benefits and taxes that apply to you. To be domiciled in the US, an individual must both (1) be physically present in the US and (2) have an intention to stay in the US.This means the county where the Decedent lived and considered their primary home address before they died. The majority of states apply common law property ownership, meaning each spouse owns what is titled in the spouse's name. Synonyms for DOMICILE: residence, abode, dwelling, house, roof, lodging, home, residency; Antonyms of DOMICILE: eject, evict. Domicile is the traditional way of defining residence. Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. Federal statutes aim to reach as many 's anywhere in the country as they possibly can. Statutes speak primarily in terms of residence, not domicile.