Vandalia leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 88% of adults in Vandalia typically vote, above the U.S. average of about 62%. Among adults in Vandalia, ~24% vote Democratic, ~64% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Vandalia compares
Among cities within 25 miles, Vandalia leans more Republican than 6 of 42 neighbors.
Vandalia runs about 32 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Vandalia. The south side runs the most Democratic (D+12) and the west side runs the most Republican (R+69), a spread of about 81 points.
Why Vandalia 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 Vandalia, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in Vandalia hold a bachelor's degree, about 13 points below the Texas average of 26%.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as Vandalia, TX does.
Why turnout in Vandalia looks the way it does
Homeowners vote more often than renters. More than 99% of households in Vandalia own their home, about 25 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and Vandalia sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- English, TX R+50
- Dimple, TX R+70
- Clarksville, TX Even
- Mabry, TX R+68
- Peters Prairie, TX R+44
- Sherry, TX R+42
- Bagwell, TX R+79
- Annona, TX R+69
- Detroit, TX R+77
Cities with Similar Populations
- Ah Gwah Ching, MN R+41
- Oak Ridge, PA R+70
- Woodsville, NJ D+8
- Watson Run, PA R+39
- Stephens, OR R+29
- Pitzer, IA R+48
- Madison, MD R+50
- Rural Shade, TX R+49
- Maple Valley, IN R+60
- Dresserville, NY R+42
All Local Stats
Home Services
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.