Notwithstanding any other provision of law, the governing body of a city having a population not exceeding five thousand and which is operating under the council form of government may provide by ordinance for the election of all council members at large. If the council members are elected at large pursuant to this section, the governing body of the city may establish wards in accordance with section 40-08-04 and require that the council members elected from each ward must be residents of the ward.