Grantwood Village leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 78% of adults in Grantwood Village typically vote, above the U.S. average of about 62%. Among adults in Grantwood Village, ~44% vote Democratic, ~34% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Grantwood Village compares
Among cities within 25 miles, Grantwood Village leans more Democratic than 92 of 169 neighbors.
Grantwood Village runs about 30 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Grantwood Village is one of the few Democratic-leaning pockets.
Why Grantwood Village 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 Grantwood Village, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 68% of adults in Grantwood Village hold a bachelor's degree, about 39 points above the U.S. average of 28%. Dense areas vote Democratic, and Grantwood Village sits in the top fifth on density (about 91%, above 97% of cities). Grantwood Village 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; Grantwood Village, 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 Grantwood Village looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Grantwood Village is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 65%, about 5 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 98% of households in Grantwood Village own their home, compared to around 74% in nearby cities. High high-school completion lines up with higher turnout, and more than 99% of adults in Grantwood Village have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Marlborough, MO D+20
- Lakeshire, MO Even
- Affton, MO D+11
- Crestwood, MO D+19
- Green Park, MO D+5
- Webster Groves, MO D+38
- Wilbur Park, MO D+11
- St. George, MO D+10
- Shrewsbury, MO D+32
- Concord, MO R+5
Cities with Similar Populations
- Tannersville, NY R+13
- Balaton, MN R+52
- Cazenovia, WI R+20
- South Fork, MO R+71
- West Danville, VT R+7
- Princeton, SC R+73
- Marcell, MN R+13
- Eldridge, MO R+69
- Dayton, WY R+61
- Upsala, MN R+74
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.