66546 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 77% of adults in 66546 typically vote, above the U.S. average of about 62%. Among adults in 66546, ~27% vote Democratic, ~50% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 66546 compares
Among zip codes within 15 miles, 66546 leans more Republican than 18 of 23 neighbors.
66546 runs about 14 points more Republican than Kansas as a whole.
Politics vary noticeably by block within 66546. The southwest side is the most Republican-leaning (R+39) and the north side is the least Republican-leaning (R+6), a spread of about 33 points.
Why 66546 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 66546, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in 66546 drive to work alone, about 13 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 66546, KS sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 66546 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 66546 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 66546 have completed high school, above 82% 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 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.