Sulphur Bluff is a Republican stronghold. About 10% of voters here vote Democratic and 90% Republican.
About 65% of adults in Sulphur Bluff typically vote, near the U.S. average of about 62%. Among adults in Sulphur Bluff, ~6% vote Democratic, ~59% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Sulphur Bluff compares
Among cities within 25 miles, Sulphur Bluff leans more Republican than 55 of 57 neighbors.
Sulphur Bluff runs about 67 points more Republican than Texas as a whole.
Why Sulphur Bluff 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 Sulphur Bluff, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Sulphur Bluff live in densely developed areas, about 31 points below the Texas average of 35%. Low college attainment predicts Republican voting, and Sulphur Bluff sits in the bottom quarter (about 15%, below 78% of cities). A high family-household share predicts Republican voting, and about 77% of households in Sulphur Bluff are family households, above 83% of cities.
Population density and Republican lean
Places with low population density tend to lean Republican; Sulphur Bluff, TX sits in the bottom quarter nationally on this measure.
Why turnout in Sulphur Bluff looks the way it does
Homeowners vote more often than renters. About 92% of households in Sulphur Bluff own their home, about 17 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and Sulphur Bluff sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Nelta, TX R+82
- Flora, TX R+78
- Dike, TX R+78
- Vasco, TX R+79
- Kensing, TX R+77
- Halesboro, TX R+78
- Minter, TX R+80
- Hatchetville, TX R+77
- Tira, TX R+83
- Weaver, TX R+78
Cities with Similar Populations
- Philpott, VA R+53
- New Kingston, NY D+6
- McDermitt, NV R+15
- Bucktown, MD R+53
- Kellum, AR R+68
- Brant, NY R+39
- Greeley, NE R+69
- Caddo, TX R+77
- Glen Savage, PA R+71
- Maud, IL R+67
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.