Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits.This means the county where the Decedent lived and considered their primary home address before they died. Basically the terms "domicile" and "legal residence" refer to the same place – the state you consider your permanent home. Your domicile is the state of your permanent home, or the state you consider your home whenever you are elsewhere. Your domicile is an important place. The following list contains some of the factors courts have considered as indicative of an intent to establish domicile in a new state. Domicile refers to someone's true, principal, and permanent home. 1. a dwelling place : place of residence : home 2. Law a : a person's fixed, permanent, and principal home for legal purposes