Casa Piedra leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 52% of adults in Casa Piedra typically vote, below the U.S. average of about 62%. Among adults in Casa Piedra, ~23% vote Democratic, ~29% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How Casa Piedra compares
Casa Piedra runs about 4 points more Democratic than Texas as a whole.
Politics vary noticeably by neighborhood within Casa Piedra. The south side runs the most Democratic (D+4) and the east side runs the most Republican (R+36), a spread of about 41 points.
Why Casa Piedra 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 Casa Piedra, not a ranked or complete list of what matters most.
Rural areas vote Republican. Fewer than 1% of residents in Casa Piedra live in densely developed areas, about 34 points below the Texas average of 35%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Casa Piedra, TX sits in the bottom tenth nationally 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 Casa Piedra looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Casa Piedra 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 24%, about 6 points above the Texas average of 19%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ruidosa, TX R+4
- Shafter, TX Even
- Marfa, TX Even
- Presidio, TX D+4
- Terlingua, TX R+34
- Alpine, TX R+7
- Study Butte, TX R+34
- Lajitas, TX R+30
- Marathon, TX R+39
Cities with Similar Populations
- Wren, AL R+77
- Waterview, KY R+72
- Oxbow, ME R+45
- Brookston, PA R+50
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.