Gravois Park, St. Louis, MO Political Map | Democrat & Republican Areas in Gravois Park

By the BestNeighborhood data science team. Last updated May 2026.

Gravois Park is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.

 

About 37% of adults in Gravois Park typically vote, below the U.S. average of about 62%. Among adults in Gravois Park, ~32% vote Democratic, ~5% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.

How Gravois Park compares

Among neighborhoods within 5 miles, Gravois Park leans more Democratic than 20 of 29 neighbors.

Gravois Park runs about 90 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Gravois Park is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Gravois Park. The northeast side is the most Democratic-leaning (D+75) and the northwest side is the least Democratic-leaning (D+63), a spread of about 12 points.

Why Gravois Park 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 Gravois Park, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Gravois Park 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 51% of adults in Gravois Park have never been married, above 83% of neighborhoods. Gravois Park runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Gravois Park, St. Louis, MO sits in the top tenth nationally on this measure.

Why turnout in Gravois Park looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Gravois Park is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 40%, about 17 points below the Missouri average of 57%. Renters vote less often than owners, and about 64% of households in Gravois Park rent, about 39 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 40% of adults in Gravois Park report food insecurity, above 93% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.