Bayou Vista, TX Political Map | Democrat & Republican Areas in Bayou Vista

By the BestNeighborhood data science team. Last updated May 2026.

Bayou Vista leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.

 

About 76% of adults in Bayou Vista typically vote, above the U.S. average of about 62%. Among adults in Bayou Vista, ~25% vote Democratic, ~51% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.

How Bayou Vista compares

Among cities within 25 miles, Bayou Vista leans more Republican than 17 of 27 neighbors.

Bayou Vista runs about 21 points more Republican than Texas as a whole.

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

Bayou Vista votes Republican even though it is densely developed (about 91%, far above the Texas average of 35%). Here an older population outweighs the Democratic lean that density usually predicts.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; Bayou Vista, TX sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Bayou Vista looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Bayou Vista is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 67%, about 7 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Bayou Vista own their home, compared to around 73% in nearby cities. 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.