The council in those counties adopting the council-supervisor form of government provided for in this article shall consist of not less than two nor more than twelve members who are qualified electors of the county. The supervisor shall serve as chairman and vote only to break tie votes. The supervisor shall be a qualified elector of the county, elected at large from the county in the general election for a term of two or four years.

The compensation for the supervisor shall be prescribed by the council by ordinance. The council shall not reduce or increase the compensation of the supervisor during the term of office for which he was elected.