78371, TX Political Map | Democrat & Republican Areas in 78371

78371 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.

 
78371, TX block-group political-lean map
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About more than 99% of adults in 78371 typically vote, above the U.S. average of about 62%. Among adults in 78371, ~39% vote Democratic, ~63% Republican, and ~-2% don't vote. The map below shows estimated turnout by block group.

78371, TX block-group voter-turnout map
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How 78371 compares

78371 sits in a sparsely populated area with few comparable zip codes nearby.

78371 runs about 10 points more Republican than Texas as a whole.

Why 78371 leans the way it does

This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 78371, not a ranked or complete list of what matters most.

Areas with many family households vote Republican. About 78% of households in 78371 are family households, about 12 points above the U.S. average of 67%. Rural areas vote Republican, and 78371 sits in the bottom quarter on density (fewer than 1%, in the bottom fraction of zip codes).

Paved land cover and Republican lean

Places with little paved surface tend to lean Republican; 78371, 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 78371 looks the way it does

Homeowners vote more often than renters. About 89% of households in 78371 own their home, about 14 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 78371 sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

Nearby Zip Codes

Zip Codes with Similar Populations

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.