Greendale is a Democratic stronghold. About 89% of voters here vote Democratic and 11% Republican.
About 36% of adults in Greendale typically vote, below the U.S. average of about 62%. Among adults in Greendale, ~32% vote Democratic, ~4% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How Greendale compares
Among cities within 25 miles, Greendale leans more Democratic than 153 of 175 neighbors.
Greendale runs about 97 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Greendale is one of the few Democratic-leaning pockets.
Why Greendale 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 Greendale, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 91% of residents in Greendale live in densely developed areas, about 55 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Greendale sits in the top quarter (about 41%, above 88% of cities). Greendale runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Greendale, MO sits in the top tenth 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 Greendale looks the way it does
Renters vote less often than owners. About 56% of households in Greendale rent, about 31 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 21% of adults in Greendale report food insecurity, above 84% of cities. High-crime urban areas turn out at lower rates, and Greendale sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bel-Nor, MO D+68
- Hanley Hills, MO D+76
- Glen Echo Park, MO D+47
- Velda City, MO D+87
- Pagedale, MO D+82
- Vinita Terrace, MO D+68
- Beverly Hills, MO D+86
- Velda Village Hills, MO D+87
- Vinita Park, MO D+66
- Bellerive, MO D+56
Cities with Similar Populations
- New Bavaria, OH R+64
- Era, TX R+79
- Sheldahl, IA R+28
- Hansonville, VA R+70
- Nibbyville, IN R+54
- Mount Etna, PA R+62
- Leighton, IA R+50
- Georgetown, ID R+74
- East Laport, NC R+30
- Rocky Ripple, IN D+29
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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.