South Sulphur is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 74% of adults in South Sulphur typically vote, above the U.S. average of about 62%. Among adults in South Sulphur, ~10% vote Democratic, ~64% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How South Sulphur compares
Among cities within 25 miles, South Sulphur leans more Republican than 40 of 63 neighbors.
South Sulphur runs about 59 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within South Sulphur. The southeast side is the most Republican-leaning (R+75) and the northeast side is the least Republican-leaning (R+51), a spread of about 24 points.
Why South Sulphur leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in South Sulphur. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; South Sulphur, TX sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in South Sulphur looks the way it does
Areas with limited routine healthcare access turn out at lower rates. South Sulphur 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
- Gober, TX R+74
- Jacobia, TX R+57
- Fairlie, TX R+64
- White Rock, TX R+68
- Wolfe City, TX R+64
- Ladonia, TX R+50
- Bailey, TX R+74
- Hail, TX R+76
- Celeste, TX R+71
- Tidwell, TX R+64
Cities with Similar Populations
- Four Towns, MI R+37
- Providence, FL R+68
- South Byron, NY R+36
- Table Grove, IL R+51
- Green Valley, TX R+57
- Mount Eagle, PA R+49
- Esto, FL R+79
- Marcoe, IL R+49
- Walter Crossroad, TN R+73
- Peyton, MS D+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.