San Pedro is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 38% of adults in San Pedro typically vote, below the U.S. average of about 62%. Among adults in San Pedro, ~19% vote Democratic, ~19% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.
How San Pedro compares
Among cities within 25 miles, San Pedro sits roughly in the middle of the political spectrum, with 0 neighbors leaning further in the place's direction and 29 leaning the other way.
San Pedro runs about 12 points more Democratic than Texas as a whole.
Politics vary noticeably by neighborhood within San Pedro. The north side runs the most Democratic (D+19) and the southwest side runs the most Republican (R+29), a spread of about 48 points.
Why San Pedro leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in San Pedro. 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; San Pedro, 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 San Pedro looks the way it does
Areas with limited routine healthcare access turn out at lower rates. San Pedro 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 47%, about 7 points below the Texas average of 54%. Renters vote less often than owners, and about 32% of households in San Pedro rent, above 88% of cities. High-crime urban areas turn out at lower rates, and San Pedro sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Robstown, TX R+4
- Violet, TX R+32
- North San Pedro, TX R+36
- Rabb, TX R+35
- Driscoll, TX R+20
- Petronila, TX R+31
- Banquete, TX R+11
- Odem, TX R+21
- Edroy, TX R+46
- Bishop, TX R+13
Cities with Similar Populations
- Forest Springs, CA D+41
- Winter Harbor, ME R+16
- Gibtown, TX R+80
- West Foxboro, MA D+13
- Farley, MO R+32
- Farrville, IN R+60
- Tarrytown, GA R+68
- Swink, OK R+78
- Miamitown, OH R+51
- Huxley, TX R+80
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.