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. 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. 1. a dwelling place : place of residence : home 2. Law a : a person's fixed, permanent, and principal home for legal purposes The two have different legal definitions and implications. "Domicile" is your "permanent home," while "Residence" is your "temporary home." A domicile is a place you claim as your permanent home, and it affects the laws, benefits and taxes that apply to you.