Glennonville is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 70% of adults in Glennonville typically vote, above the U.S. average of about 62%. Among adults in Glennonville, ~9% vote Democratic, ~61% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Glennonville compares
Among cities within 25 miles, Glennonville leans more Republican than 48 of 57 neighbors.
Glennonville runs about 56 points more Republican than Missouri as a whole.
Why Glennonville 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 Glennonville, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in Glennonville drive to work alone, about 11 points above the U.S. average of 74%.
Population density and Republican lean
Places with low population density tend to lean Republican; Glennonville, MO sits below the national average on this measure.
Why turnout in Glennonville looks the way it does
Turnout in Glennonville sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Powe, MO R+75
- Wilhelmina, MO R+72
- Campbell, MO R+64
- Qulin, MO R+70
- Malden, MO R+37
- St. Francis, AR R+67
- Broseley, MO R+71
- Bernie, MO R+62
- Oglesville, MO R+71
- Gibson, MO R+73
Cities with Similar Populations
- Ahmeek, MI R+10
- Grand Marais, MI R+25
- Glenwood, WA R+41
- Bay Center, WA D+4
- Starbrick, PA R+43
- Williams Springs, TN R+74
- Kurten, TX R+54
- Burning Springs, KY R+78
- Lawrenceburg, MO R+70
- Iberia, KY R+66
Sources and methodology
Precinct-level voting records used to fit the model come from Missouri 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.