Saint Louis Hills leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 75% of adults in Saint Louis Hills typically vote, above the U.S. average of about 62%. Among adults in Saint Louis Hills, ~51% vote Democratic, ~25% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Saint Louis Hills compares
Among neighborhoods within 5 miles, Saint Louis Hills leans more Democratic than 1 of 24 neighbors.
Saint Louis Hills runs about 52 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Saint Louis Hills is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Saint Louis Hills. The northwest side is the most Democratic-leaning (D+46) and the southwest side is the least Democratic-leaning (D+25), a spread of about 21 points.
Why Saint Louis Hills leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Saint Louis Hills, not a ranked or complete list of what matters most.
Saint Louis Hills votes against the grain of Missouri. Missouri leans Republican overall, while Saint Louis Hills runs about 52 points more Democratic. High college attainment predicts Democratic voting, and Saint Louis Hills sits in the top quarter (about 55%, above 75% of neighborhoods).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Saint Louis Hills, St. Louis, MO 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 Saint Louis Hills looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Saint Louis Hills 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Princeton Heights, St. Louis, MO D+42
- South Hampton, St. Louis, MO D+55
- Lindenwood Park, St. Louis, MO D+39
- North Hampton, St. Louis, MO D+54
- Bevo Mill, St. Louis, MO D+40
- Clifton Heights, St. Louis, MO D+36
- Boulevard Heights, St. Louis, MO D+25
- Southwest Garden, St. Louis, MO D+53
- Holly Hills, St. Louis, MO D+40
- Franz Park, St. Louis, MO D+53
Neighborhoods with Similar Populations
- Irvine Health and Science Complex, Irvine, CA D+23
- Prattville, Chelsea, MA D+26
- Landover-Sharmel, Vancouver, WA D+22
- Periwinkle, Albany, OR R+5
- Morrell Park, Baltimore, MD D+22
- Federal Hill, Providence, RI D+60
- Southside Flats, Pittsburgh, PA D+55
- Circle Cross Ranch, San Tan Valley, AZ R+22
- People's Freeway, Salt Lake City, UT D+47
- Brooklyn-Centre, Cleveland, OH D+33
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.