63736 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 71% of adults in 63736 typically vote, above the U.S. average of about 62%. Among adults in 63736, ~13% vote Democratic, ~59% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 63736 compares
Among zip codes within 15 miles, 63736 leans more Republican than 11 of 17 neighbors.
63736 runs about 47 points more Republican than Missouri as a whole.
Politics vary noticeably by block within 63736. The northeast side is the most Republican-leaning (R+70) and the north side is the least Republican-leaning (R+59), a spread of about 11 points.
Why 63736 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 63736, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 63736 drive to work alone, about 9 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 63736, MO sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 63736 looks the way it does
Turnout in 63736 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 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.