Sheldon leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 40% of adults in Sheldon typically vote, below the U.S. average of about 62%. Among adults in Sheldon, ~19% vote Democratic, ~21% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.
How Sheldon compares
Among cities within 25 miles, Sheldon leans more Republican than 17 of 58 neighbors.
Sheldon runs about 8 points more Democratic than Texas as a whole.
Politics vary noticeably by neighborhood within Sheldon. The northeast side is the most split-leaning (R+30) and the southwest side is the least split-leaning (R+3), a spread of about 27 points.
Why Sheldon 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 Sheldon, not a ranked or complete list of what matters most.
Sheldon votes Republican even though it is densely developed (about 98%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Sheldon sits in the bottom quarter (about 7%, below 97% of cities). A high family-household share predicts Republican voting, and about 75% of households in Sheldon are family households, above 76% of cities.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Sheldon, 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 Sheldon looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sheldon 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 49%, about 11 points below the U.S. average of 60%. Renters vote less often than owners, and about 44% of households in Sheldon rent, compared to around 26% in nearby cities. Low high-school completion lines up with lower turnout, and about 78% of adults in Sheldon have completed high school, below 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Magnolia Gardens, TX R+13
- Channelview, TX R+3
- Barrett, TX D+28
- Cloverleaf, TX D+11
- Highlands, TX R+31
- Crosby, TX R+50
- Lynchburg, TX R+39
- Jacinto City, TX D+8
- Atascocita, TX Even
- Galena Park, TX D+6
Cities with Similar Populations
- Elida, OH R+47
- Walton Hills, OH R+15
- Georgetown, PA R+52
- Golden, OK R+63
- Lower Lake, CA R+9
- Anthony, KS R+66
- Mineral City, OH R+59
- Henryville, PA R+11
- Hamilton City, CA Even
- Millville, UT R+50
All Local Stats
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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.