Santa Teresa is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 53% of adults in Santa Teresa typically vote, below the U.S. average of about 62%. Among adults in Santa Teresa, ~25% vote Democratic, ~28% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Santa Teresa compares
Among cities within 25 miles, Santa Teresa leans more Republican than 14 of 18 neighbors.
Santa Teresa runs about 10 points more Republican than New Mexico as a whole.
Politics vary noticeably by neighborhood within Santa Teresa. The southeast side runs the most Democratic (D+2) and the southwest side runs the most Republican (R+15), a spread of about 17 points.
Why Santa Teresa leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Santa Teresa. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Santa Teresa, NM sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Santa Teresa looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Santa Teresa is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 21%, about 11 points above the U.S. average of 10%. High food insecurity lines up with lower turnout, and about 26% of adults in Santa Teresa report food insecurity, above 92% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- El Paso, NM R+8
- Sunland Park, NM D+13
- Canutillo, TX D+7
- La Union, NM R+5
- Vinton, TX D+3
- Anthony, TX D+6
- Anthony, NM D+5
- Chamberino, NM Even
- Berino, NM R+4
Cities with Similar Populations
- Port Salerno, FL R+19
- Poplar Grove, IL R+19
- Warr Acres, OK D+3
- Union Park, FL D+5
- Countryside, VA D+21
- Earlimart, CA D+4
- Ambridge, PA D+6
- Mineola, TX R+60
- Plainville, MA D+6
- Boonville, MO R+36
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.