San Elizario, TX Political Map | Democrat & Republican Areas in San Elizario

San Elizario leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 
San Elizario, TX block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 42% of adults in San Elizario typically vote, below the U.S. average of about 62%. Among adults in San Elizario, ~24% vote Democratic, ~18% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.

San Elizario, TX block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How San Elizario compares

Among cities within 25 miles, San Elizario leans more Democratic than 8 of 11 neighbors.

San Elizario runs about 25 points more Democratic than Texas as a whole. Texas leans Republican overall, while San Elizario is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within San Elizario. The north side runs the most Democratic (D+18) and the southeast side runs the most Republican (Even), a spread of about 18 points.

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

Dense areas vote Democratic. About 72% of residents in San Elizario live in densely developed areas, about 35 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in San Elizario have never been married, above 91% of cities. San Elizario runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; San Elizario, TX sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in San Elizario looks the way it does

Areas with limited routine healthcare access turn out at lower rates. San Elizario 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 41%, about 13 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 58% of adults in San Elizario have completed high school, in the bottom fraction of cities. High-crime urban areas turn out at lower rates, and San Elizario sits in the top 15% on a violent-crime measure. 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.