66610 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 87% of adults in 66610 typically vote, above the U.S. average of about 62%. Among adults in 66610, ~39% vote Democratic, ~48% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How 66610 compares
Among zip codes within 15 miles, 66610 leans more Republican than 14 of 26 neighbors.
66610 runs about 7 points more Democratic than Kansas as a whole.
Politics vary noticeably by block within 66610. The southwest side is the most split-leaning (R+26) and the northeast side is the least split-leaning (Even), a spread of about 25 points.
Why 66610 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 66610, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in 66610 are family households, about 11 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 66610, KS sits in the top 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 66610 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 66610 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in 66610 own their home, compared to around 62% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 66610 have completed high school, above 94% 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.