63388 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 70% of adults in 63388 typically vote, above the U.S. average of about 62%. Among adults in 63388, ~17% vote Democratic, ~53% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 63388 compares
Among zip codes within 15 miles, 63388 leans more Republican than 2 of 8 neighbors.
63388 runs about 34 points more Republican than Missouri as a whole.
Why 63388 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 63388, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 63388 hold a bachelor's degree, about 7 points below the Missouri average of 22%.
Population density and Republican lean
Places with low population density tend to lean Republican; 63388, MO sits in the bottom quarter nationally on this measure.
Why turnout in 63388 looks the way it does
Homeowners vote more often than renters. About 98% of households in 63388 own their home, about 19 points above the Missouri average of 78%. 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.