64111 is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.
About 59% of adults in 64111 typically vote, near the U.S. average of about 62%. Among adults in 64111, ~48% vote Democratic, ~11% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 64111 compares
Among zip codes within 15 miles, 64111 leans more Democratic than 82 of 87 neighbors.
64111 runs about 81 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while 64111 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 64111. The northwest side is the most Democratic-leaning (D+71) and the south side is the least Democratic-leaning (D+49), a spread of about 22 points.
Why 64111 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 64111, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 64111 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 64111 sits in the top quarter (about 64%, above 95% of zip codes). 64111 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; 64111, 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 64111 looks the way it does
Renters vote less often than owners. About 68% of households in 64111 rent, about 43 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.