Colfax County leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 69% of adults in Colfax County typically vote, above the U.S. average of about 62%. Among adults in Colfax County, ~31% vote Democratic, ~38% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Colfax County compares
Colfax County runs about 16 points more Republican than New Mexico as a whole. New Mexico leans Democratic overall, while Colfax County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Colfax County. The east side is the most Republican-leaning (R+27) and the south side is the least Republican-leaning (R+6), a spread of about 21 points.
Why Colfax 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 Colfax County, not a ranked or complete list of what matters most.
Colfax County votes against the grain of New Mexico. New Mexico leans Democratic overall, while Colfax County runs about 16 points more Republican.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Colfax County, NM sits below 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 Colfax County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Colfax 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
- Las Animas County, CO R+13
- Taos County, NM D+42
- Mora County, NM D+18
- Costilla County, CO D+19
- Huerfano County, CO R+7
- Harding County, NM R+37
- Union County, NM R+52
- Conejos County, CO R+25
- San Miguel County, NM D+24
- Alamosa County, CO R+3
Counties with Similar Populations
- Monroe County, WV R+63
- Sanders County, MT R+54
- Butler County, KY R+67
- Stone County, AR R+63
- Sumter County, AL D+43
- Grundy County, IA R+42
- Braxton County, WV R+57
- Franklin County, FL R+47
- Dawson County, TX R+47
- Appanoose County, IA R+43
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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.