63656 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 62% of adults in 63656 typically vote, near the U.S. average of about 62%. Among adults in 63656, ~11% vote Democratic, ~51% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 63656 compares
Among zip codes within 15 miles, 63656 leans more Republican than 3 of 10 neighbors.
63656 runs about 45 points more Republican than Missouri as a whole.
Why 63656 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 63656, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 63656 hold a bachelor's degree, about 10 points below the Missouri average of 22%. Rural areas vote Republican, and 63656 sits in the bottom quarter on density (about 3%, below 92% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 63656, MO sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 63656 looks the way it does
Areas with low high-school completion turn out at lower rates. About 84% of adults in 63656 have completed high school, about 6 points below the U.S. average of 90%. 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.