At the regular municipal elections in 1977 and quadriennially thereafter, there shall be elected three (3) council members to represent, respectively, election wards one, two and three, as hereinabove provided. At the regular municipal elections in 1979, and quadriennially thereafter, there shall be elected two (2) council members to represent, respectively, election wards four and five as hereinabove provided. Each candidate for the office of council member shall have been a resident of the ward from which he is a candidate for a period of not less than 30 days next preceding the date of the election. Candidates for council member shall be voted upon by the voters of the town voting at large.