At the time and place specified in the notice and upon proof in open court to the satisfaction of the judge thereof that notice of the hearing has been given as provided in § 21-37-8 and that two-thirds of the legal voters of such municipality desire such change of name, and that there is no other municipality in the state of the name asked for, or in the case of proposed change of name of a platted or mapped portion of a municipality, that there is no other platted or mapped portion of the same name as proposed in said municipality, unless the portion is being added to a portion with the name to which change is sought, the court or judge may order and direct such change of name and direct the clerk to enter such order.
SDCL 21-37-9