Glen Allan leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 78% of adults in Glen Allan typically vote, above the U.S. average of about 62%. Among adults in Glen Allan, ~29% vote Democratic, ~49% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Glen Allan compares
Among cities within 25 miles, Glen Allan leans more Republican than 29 of 48 neighbors.
Politically, Glen Allan sits close to the rest of Mississippi.
Why Glen Allan leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Glen Allan. The lean here lands roughly where demographic data alone would predict.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Glen Allan, MS does.
Why turnout in Glen Allan looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Glen Allan 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 9%, about 51 points below the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hampton, MS R+26
- Grace, MS R+18
- Mayersville, MS R+9
- Lorenzen, MS D+17
- Percy, MS Even
Cities with Similar Populations
- Yeomans, GA R+6
- Rutland, ND R+49
- Drybranch, WV R+57
- Lutie, OK R+70
- Lykins, KY R+70
- Elephant, PA R+12
- Unionport, IN R+61
- Harper, IL R+48
- Big Laurel, KY R+84
- Perks, IL R+59
Sources and methodology
Precinct-level voting records used to fit the model come from Mississippi Secretary of State, Elections, 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.