High Country, San Antonio, TX Political Map | Democrat & Republican Areas in High Country

High Country is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.

 
High Country, San Antonio, TX block-group political-lean map
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About 71% of adults in High Country typically vote, above the U.S. average of about 62%. Among adults in High Country, ~37% vote Democratic, ~34% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.

High Country, San Antonio, TX block-group voter-turnout map
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Colorblind friendly off

How High Country compares

Among neighborhoods within 5 miles, High Country leans more Democratic than 2 of 9 neighbors.

High Country runs about 17 points more Democratic than Texas as a whole. Texas leans Republican overall, while High Country is one of the few Democratic-leaning pockets.

Why High Country leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for High Country, not a ranked or complete list of what matters most.

High Country votes against the grain of Texas. Texas leans Republican overall, while High Country runs about 17 points more Democratic.

Population density and Democratic lean

Places with high population density tend to lean Democratic; High Country, San Antonio, TX sits in the top quarter nationally on this measure.

Why turnout in High Country looks the way it does

Homeowners vote more often than renters. About 86% of households in High Country own their home, about 11 points above the Texas average of 75%. Learn more about the findings and methodology on the political spectrum map.

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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.