Petronila leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 49% of adults in Petronila typically vote, below the U.S. average of about 62%. Among adults in Petronila, ~17% vote Democratic, ~33% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Petronila compares
Among cities within 25 miles, Petronila leans more Republican than 11 of 22 neighbors.
Petronila runs about 18 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Petronila. The northeast side is the most Republican-leaning (R+43) and the northwest side is the least Republican-leaning (R+29), a spread of about 14 points.
Why Petronila 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 Petronila, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 85% of households in Petronila are family households, about 19 points above the U.S. average of 67%.
Population density and Republican lean
Places with low population density tend to lean Republican; Petronila, TX sits below the national average on this measure.
Why turnout in Petronila looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Petronila 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 48%, about 5 points below the Texas average of 54%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- San Pedro, TX Even
- Driscoll, TX R+20
- Violet, TX R+32
- Robstown, TX R+4
- Bishop, TX R+13
- North San Pedro, TX R+36
- Corpus Christi, TX R+3
- Rabb, TX R+35
- Palo Alto, TX R+26
- Banquete, TX R+11
Cities with Similar Populations
- Kempton, IN R+59
- Usrytown, MS R+48
- Jefferson City, MT R+37
- Winchester, KS R+54
- Lenah, VA D+10
- Southwest, IN R+64
- Hamburg, WI R+45
- Penobscot, ME D+7
- Flinton, PA R+60
- Deansboro, NY R+25
All Local Stats
Home Services
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.