Santa Teresa leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 61% of adults in Santa Teresa typically vote, near the U.S. average of about 62%. Among adults in Santa Teresa, ~38% vote Democratic, ~23% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Santa Teresa compares
Among neighborhoods within 5 miles, Santa Teresa leans more Democratic than 2 of 5 neighbors.
Santa Teresa runs about 6 points more Democratic than California as a whole.
Politics vary noticeably by block within Santa Teresa. The north side is the most Democratic-leaning (D+33) and the southwest side is the least Democratic-leaning (D+20), a spread of about 13 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.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Santa Teresa, San Jose, CA sits above the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Santa Teresa looks the way it does
Turnout in Santa Teresa sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Blossom Valley, San Jose, CA D+25
- Edenvale-Seven Trees, San Jose, CA D+28
- Almaden Valley, San Jose, CA D+27
- Garden-Villa Montery, San Jose, CA D+33
- Evergreen, San Jose, CA D+22
- Cambrian Park, San Jose, CA D+28
- Alma, San Jose, CA D+36
- East San Jose, San Jose, CA D+27
- Willow Glen, San Jose, CA D+37
- Naglee Park, San Jose, CA D+53
Neighborhoods with Similar Populations
- Flagami, Miami, FL R+35
- Otay Ranch, Chula Vista, CA D+16
- Centennial Hills, Las Vegas, NV Even
- Fresno-High, Fresno, CA D+23
- Gramercy, Manhattan, NY D+65
- Fordham, Bronx, NY D+36
- Southeast Arlington, Arlington, TX D+26
- Western Addition, San Francisco, CA D+73
- The Heights, Jersey City, NJ D+30
- Woodward Park, Fresno, CA R+7
Sources and methodology
Precinct-level voting records used to fit the model come from California Secretary of State, 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.