(a) All county, county quorum court district, and township officers shall reside within their respective townships, districts, and counties.
(b) An office shall be deemed vacant if a county officer removes his or her legal residence from the county or if a district or township officer removes his or her legal residence from the district township from which elected.
(c) For purposes of this section, legal residence shall be defined as the domicile of the officer evidenced by the intent to make such residence a fixed and permanent home.