N.M. Stat. § 73-8-9
[Majority and plurality.]
At all elections held under the provisions of this act [73-8-1 to 73-8-60 NMSA 1978] if
a majority of all the votes cast by the qualified electors shall be in the affirmative upon
any proposition submitted to a vote, other than the election of directors, such
proposition shall be declared to be carried, and at all elections for directors the persons
receiving the highest number of votes cast by the qualified electors of the district shall
be declared to be elected.