63013 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 88% of adults in 63013 typically vote, above the U.S. average of about 62%. Among adults in 63013, ~16% vote Democratic, ~72% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How 63013 compares
Among zip codes within 15 miles, 63013 leans more Republican than 9 of 10 neighbors.
63013 runs about 45 points more Republican than Missouri as a whole.
Why 63013 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 63013, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 92% of residents in 63013 drive to work alone, about 19 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 84% of households in 63013 are family households, above 97% of zip codes.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 63013, MO does.
Why turnout in 63013 looks the way it does
Homeowners vote more often than renters. About 98% of households in 63013 own their home, about 19 points above the Missouri average of 78%. High high-school completion lines up with higher turnout, and about 97% of adults in 63013 have completed high school, above 89% 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.