Grant County leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 71% of adults in Grant County typically vote, above the U.S. average of about 62%. Among adults in Grant County, ~38% vote Democratic, ~33% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Grant County compares
Grant County sits in a sparsely populated area with few comparable counties nearby.
Politically, Grant County sits close to the rest of New Mexico.
Politics vary noticeably by city within Grant County. The west side runs the most Democratic (D+26) and the southwest side runs the most Republican (R+31), a spread of about 57 points.
Why Grant County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Grant County, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 30% of adults in Grant County hold a bachelor's degree, above 76% of counties. A high never-married share predicts Democratic voting, and about 34% of adults in Grant County have never been married, above 79% of counties.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Grant County, NM sits above the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Grant County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Grant County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hidalgo County, NM R+22
- Luna County, NM R+19
- Sierra County, NM R+17
- Greenlee County, AZ R+45
- Catron County, NM R+36
- Graham County, AZ R+39
- Dona Ana County, NM D+4
- Socorro County, NM Even
- El Paso County, TX D+15
- Otero County, NM R+19
Counties with Similar Populations
- Washington County, IN R+57
- Wells County, IN R+56
- Winchester City, VA D+12
- Montgomery County, KY R+52
- Baker County, FL R+61
- Carroll County, AR R+48
- Currituck County, NC R+49
- Dunklin County, MO R+50
- Montgomery County, IL R+44
- Wythe County, VA R+57
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Sources and methodology
Precinct-level voting records used to fit the model come from New Mexico Secretary of State, Bureau of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.