63383 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 74% of adults in 63383 typically vote, above the U.S. average of about 62%. Among adults in 63383, ~19% vote Democratic, ~55% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 63383 compares
Among zip codes within 15 miles, 63383 leans more Republican than 3 of 9 neighbors.
63383 runs about 32 points more Republican than Missouri as a whole.
Politics vary noticeably by block within 63383. The northwest side is the most Republican-leaning (R+61) and the east side is the least Republican-leaning (R+40), a spread of about 21 points.
Why 63383 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 63383, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 63383 hold a bachelor's degree, about 7 points below the Missouri average of 22%.
Foreign-born share and voter turnout
Places with a low foreign-born share tend to turn out in mixed patterns; 63383, MO sits in the bottom tenth nationally on this measure.
Why turnout in 63383 looks the way it does
Turnout in 63383 sits close to the national pattern. 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.