Incumbent Democrat Martin Heinrich maintains commanding double-digit leads in the latest New Mexico Senate polls, including a 52-35% advantage in the October 28-31 New York Times/Siena survey and similar margins in other recent polling averages showing Democrats up by 20+ points. This reflects New Mexico's consistent Democratic lean in federal races—Biden won by 7 points in 2020—and Heinrich's strong incumbency since 2013 with minimal primary opposition, against Republican nominee Nella Domenici. Trader consensus prices a Heinrich victory at over 96%, aligning with historical base rates where incumbents leading by 15+ points win nearly 100% of the time. Early voting is underway ahead of the November 5 election, though unlikely scenarios like a major scandal, health issue, or unprecedented GOP turnout surge could narrow the gap.
Experimental AI-generated summary referencing Polymarket data · UpdatedNew Mexico Senate Election Winner
New Mexico Senate Election Winner

Democrat
97%

Republican
2%

Democrat
97%

Republican
2%
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Market Opened: Oct 13, 2025, 5:04 PM ET
Resolver
0x2F5e3684c...Resolver
0x2F5e3684c...Incumbent Democrat Martin Heinrich maintains commanding double-digit leads in the latest New Mexico Senate polls, including a 52-35% advantage in the October 28-31 New York Times/Siena survey and similar margins in other recent polling averages showing Democrats up by 20+ points. This reflects New Mexico's consistent Democratic lean in federal races—Biden won by 7 points in 2020—and Heinrich's strong incumbency since 2013 with minimal primary opposition, against Republican nominee Nella Domenici. Trader consensus prices a Heinrich victory at over 96%, aligning with historical base rates where incumbents leading by 15+ points win nearly 100% of the time. Early voting is underway ahead of the November 5 election, though unlikely scenarios like a major scandal, health issue, or unprecedented GOP turnout surge could narrow the gap.
Experimental AI-generated summary referencing Polymarket data · Updated



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