66937 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 72% of adults in 66937 typically vote, above the U.S. average of about 62%. Among adults in 66937, ~9% vote Democratic, ~63% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 66937 compares
Among zip codes within 15 miles, 66937 is the most Republican-leaning.
66937 runs about 58 points more Republican than Kansas as a whole.
Politics vary noticeably by block within 66937. The northwest side is the most Republican-leaning (R+79) and the south side is the least Republican-leaning (R+66), a spread of about 13 points.
Why 66937 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 66937, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 66937 sits in the bottom quarter on density and about 95% of residents are non-Hispanic white, about 10 points above the Kansas average of 85%.
Population density and Republican lean
Places with low population density tend to lean Republican; 66937, KS sits in the bottom tenth nationally on this measure.
Why turnout in 66937 looks the way it does
Turnout in 66937 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 Kansas 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.