San Jacinto is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 63% of adults in San Jacinto typically vote, near the U.S. average of about 62%. Among adults in San Jacinto, ~14% vote Democratic, ~49% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How San Jacinto compares
Among cities within 25 miles, San Jacinto leans more Republican than 9 of 26 neighbors.
San Jacinto runs about 42 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within San Jacinto. The southwest side is the most Republican-leaning (R+72) and the northeast side is the least Republican-leaning (R+26), a spread of about 47 points.
Why San Jacinto leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in San Jacinto. The lean here lands roughly where demographic data alone would predict.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; San Jacinto, TX sits below the national average on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in San Jacinto looks the way it does
Areas with limited routine healthcare access turn out at lower rates. San Jacinto is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Shiro, TX R+69
- Richards, TX R+68
- Huntsville, TX R+13
- Honea, TX R+67
- Singleton, TX R+73
- Roans Prairie, TX R+72
- Bedias, TX R+67
- Apolonia, TX R+70
- Pine Prairie, TX R+53
- Anderson, TX R+69
Cities with Similar Populations
- Danville, GA R+48
- Wickes, AR R+66
- Vicco, KY R+64
- Canton, ME R+32
- Spaulding, IL R+34
- New Lyme, OH R+44
- Nauvoo, IL R+42
- North Prairie, MN R+58
- Kimmell, IN R+60
- Columbia, NC D+3
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.