2018Final results
2018 election for New Mexico Treasurer
Treasurer · New Mexico
Tim Eichenberg (D) won with 57.9% of the vote, defeating Arthur L. Castillo (R) by 15.8 points.
Tim EichenbergDemocrat · winner
57.9%394,780
Arthur L. CastilloRepublican
42.1%286,822
681,602 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET