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

Shelby is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.

 
Shelby, TX block-group political-lean map
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About 84% of adults in Shelby typically vote, above the U.S. average of about 62%. Among adults in Shelby, ~13% vote Democratic, ~72% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.

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

Among cities within 25 miles, Shelby leans more Republican than 46 of 48 neighbors.

Shelby runs about 57 points more Republican than Texas as a whole.

Why Shelby 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 Shelby, not a ranked or complete list of what matters most.

Areas with many family households vote Republican. About 83% of households in Shelby are family households, about 17 points above the U.S. average of 67%.

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Shelby, TX sits in the top tenth nationally on this measure.

Why turnout in Shelby looks the way it does

Homeowners vote more often than renters. About 95% of households in Shelby own their home, about 20 points above the Texas average of 75%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.