64078 leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 91% of adults in 64078 typically vote, above the U.S. average of about 62%. Among adults in 64078, ~27% vote Democratic, ~64% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 64078 compares
Among zip codes within 15 miles, 64078 leans more Republican than 17 of 22 neighbors.
64078 runs about 21 points more Republican than Missouri as a whole.
Politics vary noticeably by block within 64078. The southeast side is the most Republican-leaning (R+51) and the northwest side is the least Republican-leaning (R+35), a spread of about 16 points.
Why 64078 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 64078, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 75% of households in 64078 are family households, about 8 points above the U.S. average of 67%.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; 64078, MO sits in the bottom tenth nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in 64078 looks the way it does
Turnout in 64078 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.