63828 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 49% of adults in 63828 typically vote, below the U.S. average of about 62%. Among adults in 63828, ~8% vote Democratic, ~41% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 63828 compares
Among zip codes within 15 miles, 63828 leans more Republican than 5 of 9 neighbors.
63828 runs about 50 points more Republican than Missouri as a whole.
Why 63828 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 63828, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 6% of adults in 63828 hold a bachelor's degree, about 16 points below the Missouri average of 22%. Rural areas with a high white share vote Republican. Non-Hispanic white share in 63828 is about 93%, about 21 points above the U.S. average of 72%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 63828, MO sits in the bottom quarter 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 63828 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 63828 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 45%, about 13 points below the Missouri average of 57%. High food insecurity lines up with lower turnout, and about 26% of adults in 63828 report food insecurity, above 90% 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.