Leon Valley leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 51% of adults in Leon Valley typically vote, below the U.S. average of about 62%. Among adults in Leon Valley, ~29% vote Democratic, ~23% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How Leon Valley compares
Among cities within 25 miles, Leon Valley leans more Democratic than 43 of 46 neighbors.
Leon Valley runs about 25 points more Democratic than Texas as a whole. Texas leans Republican overall, while Leon Valley is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Leon Valley. The northeast side is the most Democratic-leaning (D+19) and the northwest side is the least Democratic-leaning (D+4), a spread of about 15 points.
Why Leon Valley 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 Leon Valley, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in Leon Valley live in densely developed areas, about 59 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in Leon Valley have never been married, above 86% of cities. Leon Valley runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Leon Valley, TX sits in the top 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 Leon Valley looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Leon Valley 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 22%, about 12 points above the U.S. average of 10%. Renters vote less often than owners, and about 39% of households in Leon Valley rent, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Balcones Heights, TX D+26
- San Antonio, TX D+4
- Castle Hills, TX D+3
- Helotes, TX R+8
- Shavano Park, TX R+8
- Lackland AFB, TX R+3
- Olmos Park, TX D+8
- Valley-Hi, TX D+7
- Alamo Heights, TX D+7
- Hill Country Village, TX R+26
Cities with Similar Populations
- Willowick, OH R+5
- Forsyth, GA R+29
- Port Washington, WI R+9
- Bull Mountain, OR D+29
- St. Simons, GA R+28
- Shawano, WI R+22
- Wells Branch, TX D+36
- Moorestown-Lenola, NJ D+27
- Keansburg, NJ R+15
- East Bridgewater, MA R+10
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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.