64507 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 60% of adults in 64507 typically vote, near the U.S. average of about 62%. Among adults in 64507, ~23% vote Democratic, ~37% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 64507 compares
Among zip codes within 15 miles, 64507 leans more Republican than 2 of 17 neighbors.
64507 runs about 5 points more Republican than Missouri as a whole.
Politics vary noticeably by block within 64507. The southeast side is the most Republican-leaning (R+49) and the northwest side is the least Republican-leaning (R+11), a spread of about 38 points.
Why 64507 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 64507, not a ranked or complete list of what matters most.
64507 votes Republican even though it is densely developed (about 72%, far above the Missouri average of 22%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 64507, MO sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 64507 looks the way it does
Crowded housing lines up with lower turnout. About 4% of homes in 64507 have more than one occupant per room, above 82% 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.