63879 is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 61% of adults in 63879 typically vote, near the U.S. average of about 62%. Among adults in 63879, ~10% vote Democratic, ~51% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 63879 compares
Among zip codes within 15 miles, 63879 leans more Republican than 4 of 13 neighbors.
63879 runs about 48 points more Republican than Missouri as a whole.
Politics vary noticeably by block within 63879. The northwest side is the most Republican-leaning (R+74) and the south side is the least Republican-leaning (R+51), a spread of about 23 points.
Why 63879 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 63879, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 63879 live in densely developed areas, about 18 points below the Missouri average of 22%. Low college attainment predicts Republican voting, and 63879 sits in the bottom quarter (about 12%, below 90% of zip codes).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 63879, MO sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 63879 looks the way it does
Areas with low high-school completion turn out at lower rates. About 83% of adults in 63879 have completed high school, about 7 points below the U.S. average of 90%. Limited routine healthcare access lines up with lower turnout, and 63879 sits in the bottom quarter on routine-care measures. 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.