63501 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 62% of adults in 63501 typically vote, near the U.S. average of about 62%. Among adults in 63501, ~27% vote Democratic, ~35% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 63501 compares
Among zip codes within 15 miles, 63501 is the least Republican-leaning.
63501 runs about 5 points more Democratic than Missouri as a whole.
Politics vary noticeably by block within 63501. The south side runs the most Democratic (D+14) and the southeast side runs the most Republican (R+46), a spread of about 60 points.
Why 63501 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 63501. The lean here lands roughly where demographic data alone would predict.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as 63501, MO does.
Why turnout in 63501 looks the way it does
Renters vote less often than owners. About 47% of households in 63501 rent, about 22 points above the U.S. average of 25%. 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.