At the general elections in 1988 and 1990, and every four years thereafter, the qualified electors residing in each of the districts in Henry County shall elect one commissioner for that district, who shall be a bona fide elector of and shall actually reside in the district for which he or she is elected, and who shall hold office for a period of four years, and until his or her successor shall be elected and qualified.
Ala. Code § 45-34-71.03 (1975)