What Is 2018 US House elections in New Mexico

Overview

The 2018 U.S. House elections in New Mexico took place on November 6, 2018, as part of the nationwide midterms. These elections determined representation for New Mexico’s three congressional districts in the U.S. House of Representatives.

New Mexico’s delegation saw significant changes due to retirements and shifting political dynamics. While Democrats maintained control in two districts, Republicans made gains in the more competitive District 2.

• Michelle Lujan Grisham won re-election in District 1 with 58.2% of the vote before resigning to become governor.
• Ben Ray Luján secured re-election in District 3 with 59.4%, defeating Republican nominee Alexis Johnson.
• Xochitl Torres Small won District 2 with 51.3%, narrowly defeating Republican nominee Yvette Herrell.
• Following Lujan Grisham’s gubernatorial win, a special election was held in 2019 to fill her vacant seat.
• Turnout in New Mexico reached 53.7%, higher than the national midterm average of 50.3%.

How It Works

U.S. House elections are held every two years, with each representative serving a two-year term. In New Mexico, the process includes primary elections, candidate filings, and general election voting.

• Term: U.S. Representatives serve two-year terms with no term limits, meaning they can be re-elected indefinitely. Each term begins on January 3 of the following year.
• Primary Date: The 2018 primary was held on June 5, 2018, with both Democratic and Republican parties selecting nominees.
• Ballot Access: Candidates must collect 1,000 valid signatures or win a primary to appear on the general election ballot.
• Redistricting: District boundaries were last updated in 2012 following the 2010 Census, remaining unchanged through 2020.
• Voting System: New Mexico uses a combination of mail-in ballots and in-person voting, with 78% of ballots cast by mail in 2018.
• Runoff Rule: New Mexico does not require runoffs for House races; the candidate with the most votes wins, even without a majority.
• Incumbency Advantage: Incumbents won all three New Mexico races in 2018, reflecting a national trend where 97% of incumbents were re-elected.

Comparison at a Glance

Here’s how New Mexico’s 2018 House races compared across districts:

New Mexico’s results aligned with the national 'blue wave,' where Democrats gained 41 seats nationwide. However, District 2 remained highly competitive, foreshadowing Yvette Herrell’s eventual win in 2020.

Why It Matters

The 2018 elections reshaped New Mexico’s political landscape and influenced national power dynamics in Congress. These races highlighted shifting voter preferences and the growing competitiveness of traditionally Democratic districts.

• Democratic Control: New Mexico’s delegation remained majority Democratic, contributing to the party’s House takeover in 2019.
• Gubernatorial Impact: Lujan Grisham’s move to governor reshaped District 1’s political future and triggered a 2019 special election.
• Republican Gains: Yvette Herrell’s narrow loss signaled Republican momentum in rural southern New Mexico.
• Latino Representation: All three winning candidates were women, with two being of Hispanic heritage, reflecting demographic trends.
• Policy Influence: New Mexico’s delegation supported healthcare expansion and environmental protections in the 116th Congress.
• Future Elections: The 2018 results set the stage for the 2020 rematch in District 2, which Herrell won by 1.7%.

Overall, the 2018 U.S. House elections in New Mexico underscored the state’s role as a bellwether for Southwestern political trends and Democratic resilience in diverse, urban-rural districts.