The 2018 New Mexico gubernatorial election took place on November 6, 2018, to elect the next governor of New Mexico, concurrently with the election of New Mexico's Class I U.S. Senate seat, as well as other elections to the United States Senate in other states, elections to the United States House of Representatives and various local elections.

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2018 New Mexico gubernatorial election

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Nominee Michelle Lujan Grisham Steve Pearce Party Democratic Republican Running mate Howie Morales Michelle Garcia Holmes Popular vote 398,368 298,091 Percentage 57.20% 42.80%

County results Precinct results Lujan Grisham:      50–60%      60–70%      70–80%      80–90%      >90% Pearce:      50–60%      60–70%      70–80%      80–90%      >90% Tie:      50%      No data

Governor before election Susana Martinez Republican Elected Governor Michelle Lujan Grisham Democratic

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Incumbent Republican governor Susana Martinez was term-limited and could not seek a third consecutive term. Following party primaries on June 5, 2018, U.S. Representative Steve Pearce was the Republican nominee and U.S. Representative Michelle Lujan Grisham was the Democratic nominee. Lujan Grisham won the election by a substantial margin, which in fact was a complete and exact reversal of the 2014 gubernatorial results. Her win also signaled a continuation of the pattern of the partisanship of the office changing every two terms, beginning with Gary Johnson's first election in 1994. Furthermore, the pattern of the partisanship changing with each officeholder was continued, a pattern first started after Toney Anaya left office in 1987. Furthermore, the margin between the candidates (57.2% to 42.8%) was the same as the previous election, albeit with the parties switched.

At the presidential level, New Mexico has begun to trend into a Democratic-leaning swing state. It has gone Democratic in all but one presidential election since 1992. The only break in this trend came in 2004, when George W. Bush won it by less than a point. However, in 2008, Barack Obama won the state over John McCain by 15 points and in 2012 by 10 points over Mitt Romney. In 2016, Democrat Hillary Clinton defeated Republican Donald Trump by eight points.

However, in 2010, then-District Attorney of New Mexico's Third Judicial District Susana Martinez won the election, becoming the first US Latina Governor, over Lieutenant Governor Diane Denish, former running mate of two-term Democrat Bill Richardson, by approximately seven points. In 2014, Martinez was re-elected over state Attorney General Gary King by nearly 15 points. It has been described as one of the Democrats' best chances at a pickup, due to Gov. Martinez's unpopularity and because "she's leaving behind a high unemployment rate and struggling education system."^[1]

The 2018 primary election results show 116,311 votes for Democratic candidate Michelle Lujan Grisham and a total of 175,182 for all three Democratic candidates while Republican candidate/nominee Steve Pearce received 74,705; note that 23% of New Mexico's registered voters are third party or independents (280,000), who do not vote in the primary election.

Based on the party's voter registration numbers and presidential nominee Gary Johnson's result in 2016, the Libertarian Party holds major-party status in New Mexico.^[43] Under New Mexico law, both gubernatorial and lieutenant governor candidates must receive each at least 230 signatures from registered Libertarian voters to formally receive the nomination and be placed on the ballot as the Libertarian nominees. Both Walsh and Dunn failed to meet that requirement and were not on the ballot.^[44]

• New Mexico elections, 2018

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