63747 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 76% of adults in 63747 typically vote, above the U.S. average of about 62%. Among adults in 63747, ~9% vote Democratic, ~67% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 63747 compares
Among zip codes within 15 miles, 63747 is the most Republican-leaning.
63747 runs about 57 points more Republican than Missouri as a whole.
Why 63747 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 63747, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 91% of households in 63747 are family households, about 24 points above the U.S. average of 67%.
Population density and Republican lean
Places with low population density tend to lean Republican; 63747, MO sits below the national average on this measure.
Why turnout in 63747 looks the way it does
Homeowners vote more often than renters. About 98% of households in 63747 own their home, about 19 points above the Missouri average of 78%. High high-school completion lines up with higher turnout, and about 96% of adults in 63747 have completed high school, above 84% of zip codes. 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.