Aransas Pass, TX Political Map | Democrat & Republican Areas in Aransas Pass

Aransas Pass leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.

 
Aransas Pass, TX block-group political-lean map
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About 69% of adults in Aransas Pass typically vote, above the U.S. average of about 62%. Among adults in Aransas Pass, ~19% vote Democratic, ~50% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.

Aransas Pass, TX block-group voter-turnout map
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How Aransas Pass compares

Among cities within 25 miles, Aransas Pass leans more Republican than 12 of 17 neighbors.

Aransas Pass runs about 33 points more Republican than Texas as a whole.

Politics vary noticeably by neighborhood within Aransas Pass. The northeast side is the most Republican-leaning (R+59) and the southwest side is the least Republican-leaning (R+43), a spread of about 16 points.

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

Aransas Pass votes Republican even though it is densely developed (about 73%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Aransas Pass, TX sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Aransas Pass looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Aransas Pass 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.

Cities 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.