64130 is a Democratic stronghold. About 92% of voters here vote Democratic and 8% Republican.
About 54% of adults in 64130 typically vote, below the U.S. average of about 62%. Among adults in 64130, ~49% vote Democratic, ~4% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 64130 compares
Among zip codes within 15 miles, 64130 is the most Democratic-leaning.
64130 runs about 102 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while 64130 is one of the few Democratic-leaning pockets.
Why 64130 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 64130, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 64130 live in densely developed areas, about 60 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 51% of adults in 64130 have never been married, above 95% of zip codes. 64130 runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 64130, MO sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 64130 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 64130 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 11 points below the Missouri average of 57%. Renters vote less often than owners, and about 50% of households in 64130 rent, about 25 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 37% of adults in 64130 report food insecurity, above 97% 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.