Santa Clara leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 71% of adults in Santa Clara typically vote, above the U.S. average of about 62%. Among adults in Santa Clara, ~21% vote Democratic, ~50% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Santa Clara compares
Among cities within 25 miles, Santa Clara leans more Republican than 32 of 48 neighbors.
Santa Clara runs about 27 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Santa Clara. The west side is the most Republican-leaning (R+46) and the southwest side is the least Republican-leaning (R+9), a spread of about 37 points.
Why Santa Clara 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 Santa Clara, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in Santa Clara drive to work alone, about 14 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 86% of households in Santa Clara are family households, above 97% of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Santa Clara, TX sits in the top tenth nationally on this measure.
Why turnout in Santa Clara looks the way it does
Homeowners vote more often than renters. About 94% of households in Santa Clara own their home, about 19 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and Santa Clara sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Marion, TX R+40
- Schumannsville, TX R+33
- Cibolo, TX R+11
- Schertz, TX R+10
- Zuehl, TX R+40
- Mc Queeney, TX R+42
- New Braunfels, TX R+28
- Randolph AFB, TX R+6
- Garden Ridge, TX R+34
- Selma, TX R+5
Cities with Similar Populations
- Burneyville, OK R+69
- Golf, FL R+14
- Montrose, AR R+49
- Alma, WI R+28
- Cheshire Center, MI R+35
- Grizzly, OR R+54
- Figsboro, VA R+57
- Ellport, PA R+24
- East Conemaugh, PA R+24
- East Dayton, MI R+48
Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.