Calallen, Corpus Christi, TX Political Map | Democrat & Republican Areas in Calallen

Calallen leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.

 
Calallen, Corpus Christi, TX block-group political-lean map
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About 64% of adults in Calallen typically vote, near the U.S. average of about 62%. Among adults in Calallen, ~21% vote Democratic, ~43% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.

Calallen, Corpus Christi, TX block-group voter-turnout map
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How Calallen compares

Calallen runs about 22 points more Republican than Texas as a whole.

Politics vary noticeably by block within Calallen. The northwest side is the most Republican-leaning (R+51) and the east side is the least Republican-leaning (R+26), a spread of about 26 points.

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

Rural areas vote Republican, and Calallen sits in the bottom quarter on developed land relative to similar places. A high family-household share predicts Republican voting, and about 77% of households in Calallen are family households, above 80% of neighborhoods.

Walkability and Republican lean

Places with a low walkability score tend to lean Republican; Calallen, Corpus Christi, TX sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Calallen looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Calallen 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 21%, about 10 points above the U.S. average of 10%. Learn more about the findings and methodology on the political spectrum map.

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.