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

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

Weslaco is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.

 

About 45% of adults in Weslaco typically vote, below the U.S. average of about 62%. Among adults in Weslaco, ~22% vote Democratic, ~23% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.

How Weslaco compares

Among cities within 25 miles, Weslaco sits roughly in the middle of the political spectrum, with 13 neighbors leaning further in the place's direction and 44 leaning the other way.

Weslaco runs about 12 points more Democratic than Texas as a whole.

Why Weslaco leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Weslaco. The lean here lands roughly where demographic data alone would predict.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Weslaco, TX sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Weslaco looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Weslaco is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 43%, about 10 points below the Texas average of 54%. Renters vote less often than owners, and about 32% of households in Weslaco rent, above 87% of cities. Low high-school completion lines up with lower turnout, and about 71% of adults in Weslaco have completed high school, below 97% of 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.