N.M. Const. art. V, § 13

[Residence of public officers; election from equal districts.] All district and municipal officers, county commissioners, school board members and municipal governing body members shall be residents of the political subdivision or district from which they are elected or for which they are appointed. Counties, school districts and municipalities may be divided by their governing bodies into districts composed of populations as nearly equal as practicable for the purpose of electing the members of the respective governing bodies. (As amended November 8, 1960 and November 4, 1986.)