65640 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 59% of adults in 65640 typically vote, near the U.S. average of about 62%. Among adults in 65640, ~9% vote Democratic, ~50% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 65640 compares
Among zip codes within 15 miles, 65640 is the most Republican-leaning.
65640 runs about 52 points more Republican than Missouri as a whole.
Why 65640 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 65640, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 88% of households in 65640 are family households, about 22 points above the U.S. average of 67%. Rural areas with a high white share vote Republican. Non-Hispanic white share in 65640 is about 93%, about 21 points above the U.S. average of 72%. Low college attainment predicts Republican voting, and 65640 sits in the bottom quarter (about 11%, below 92% of zip codes).
Population density and Republican lean
Places with low population density tend to lean Republican; 65640, MO sits below the national average on this measure.
Why turnout in 65640 looks the way it does
Areas with low high-school completion turn out at lower rates. About 76% of adults in 65640 have completed high school, about 14 points below the U.S. average of 90%. Limited routine healthcare access lines up with lower turnout, and 65640 sits in the bottom quarter on routine-care measures. Crowded housing lines up with lower turnout, and about 7% of homes in 65640 have more than one occupant per room, above 91% 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.