Mount Vernon is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 75% of adults in Mount Vernon typically vote, above the U.S. average of about 62%. Among adults in Mount Vernon, ~17% vote Democratic, ~58% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Mount Vernon compares
Among cities within 25 miles, Mount Vernon leans more Republican than 3 of 54 neighbors.
Mount Vernon runs about 40 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Mount Vernon. The northeast side is the most Republican-leaning (R+79) and the north side is the least Republican-leaning (R+43), a spread of about 36 points.
Why Mount Vernon 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 Mount Vernon, not a ranked or complete list of what matters most.
Mount Vernon votes Republican even though it is densely developed (about 31%, about 6 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Mount Vernon, TX sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Mount Vernon looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mount Vernon 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
- Purley, TX R+73
- Majors, TX R+71
- Winfield, TX R+71
- Saltillo, TX R+77
- Scroggins, TX R+66
- Monticello, TX R+57
- Weaver, TX R+78
- Green Hill, TX R+66
- Leesburg, TX R+62
- Pickton, TX R+79
Cities with Similar Populations
- East Kingston, NH Even
- Central Gardens, TX R+41
- Sherborn, MA D+43
- Ranlo, NC R+12
- Fincastle, VA R+48
- Morris, AL R+74
- Zebulon, GA R+64
- Blissfield, MI R+37
- Martin, GA R+64
- Warroad, MN R+40
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.