Arroyo Seco is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 65% of adults in Arroyo Seco typically vote, near the U.S. average of about 62%. Among adults in Arroyo Seco, ~51% vote Democratic, ~14% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Arroyo Seco compares
Among cities within 25 miles, Arroyo Seco leans more Democratic than 25 of 26 neighbors.
Arroyo Seco runs about 52 points more Democratic than New Mexico as a whole.
Politics vary noticeably by neighborhood within Arroyo Seco. The south side is the most Democratic-leaning (D+62) and the west side is the least Democratic-leaning (D+50), a spread of about 12 points.
Why Arroyo Seco leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Arroyo Seco, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 53% of adults in Arroyo Seco hold a bachelor's degree, about 24 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Arroyo Seco, NM sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Arroyo Seco looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Arroyo Seco is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Arroyo Seco have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Valdez, NM D+54
- Taos Pueblo, NM D+70
- El Prado, NM D+55
- Arroyo Hondo, NM D+39
- San Cristobal, NM D+25
- Taos, NM D+50
- Ranchito, NM D+46
- Taos Ski Valley, NM D+37
- Ranchos de Taos, NM D+34
- Trampas, NM D+52
Cities with Similar Populations
- Waterford, OH R+58
- Nickelsville, VA R+71
- Virginia, IL R+51
- Sanders, AZ D+34
- Kalida, OH R+70
- Plainville, KS R+66
- Lyndonville, NY R+45
- Kintnersville, PA R+22
- Salt Lick, KY R+61
- Ludlow, VT D+32
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.