66210 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 67% of adults in 66210 typically vote, near the U.S. average of about 62%. Among adults in 66210, ~40% vote Democratic, ~27% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 66210 compares
Among zip codes within 15 miles, 66210 leans more Democratic than 32 of 70 neighbors.
66210 runs about 35 points more Democratic than Kansas as a whole. Kansas leans Republican overall, while 66210 is one of the few Democratic-leaning pockets.
Why 66210 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 66210, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 66210 live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 66210 sits in the top quarter (about 64%, above 96% of zip codes). 66210 runs against the grain of Kansas, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 66210, KS sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 66210 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 66210 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%. High high-school completion lines up with higher turnout, and about 98% of adults in 66210 have completed high school, above 92% 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.