Tower Grove South is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 60% of adults in Tower Grove South typically vote, near the U.S. average of about 62%. Among adults in Tower Grove South, ~50% vote Democratic, ~10% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Tower Grove South compares
Among neighborhoods within 5 miles, Tower Grove South leans more Democratic than 15 of 32 neighbors.
Tower Grove South runs about 84 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Tower Grove South is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Tower Grove South. The east side is the most Democratic-leaning (D+77) and the west side is the least Democratic-leaning (D+51), a spread of about 26 points.
Why Tower Grove South 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 Tower Grove South, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Tower Grove South live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 49% of adults in Tower Grove South have never been married, above 80% of neighborhoods. Tower Grove South runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Tower Grove South, St. Louis, MO sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Tower Grove South looks the way it does
Turnout in Tower Grove South sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Tower Grove East, St. Louis, MO D+76
- Shaw, St. Louis, MO D+75
- Gravois Park, St. Louis, MO D+72
- Dutchtown, St. Louis, MO D+64
- Benton Park West, St. Louis, MO D+74
- Bevo Mill, St. Louis, MO D+40
- Southwest Garden, St. Louis, MO D+53
- North Hampton, St. Louis, MO D+54
- South Hampton, St. Louis, MO D+55
- Benton Park, St. Louis, MO D+74
Neighborhoods with Similar Populations
- Brewerytown, Philadelphia, PA D+85
- Old Everett, Lansing, MI D+33
- Wedgwood, Seattle, WA D+76
- Talbot's Corner, Nashville, TN D+59
- Desert Shores, Las Vegas, NV D+22
- Near East, Columbus, OH D+76
- North West Long Beach, Long Beach, CA D+49
- North Hill, Spokane, WA D+10
- Dilworth, Charlotte, NC D+34
- Pine Hills, Albany, NY D+62
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.