64490 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 92% of adults in 64490 typically vote, above the U.S. average of about 62%. Among adults in 64490, ~20% vote Democratic, ~72% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 64490 compares
Among zip codes within 15 miles, 64490 leans more Republican than 6 of 12 neighbors.
64490 runs about 37 points more Republican than Missouri as a whole.
Politics vary noticeably by block within 64490. The north side is the most Republican-leaning (R+63) and the south side is the least Republican-leaning (R+52), a spread of about 11 points.
Why 64490 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 64490, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 74% of households in 64490 are family households, about 7 points above the U.S. average of 67%.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 64490, MO sits in the bottom quarter nationally on this measure.
Why turnout in 64490 looks the way it does
Homeowners vote more often than renters. About 89% of households in 64490 own their home, about 11 points above the Missouri average of 78%. 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.