66415 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 63% of adults in 66415 typically vote, near the U.S. average of about 62%. Among adults in 66415, ~10% vote Democratic, ~53% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 66415 compares
Among zip codes within 15 miles, 66415 leans more Republican than 3 of 7 neighbors.
66415 runs about 51 points more Republican than Kansas as a whole.
Why 66415 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 66415, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 66415 live in densely developed areas, about 13 points below the Kansas average of 19%.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 66415, KS does.
Why turnout in 66415 looks the way it does
Turnout in 66415 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.