66616 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 51% of adults in 66616 typically vote, below the U.S. average of about 62%. Among adults in 66616, ~29% vote Democratic, ~22% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How 66616 compares
Among zip codes within 15 miles, 66616 leans more Democratic than 20 of 28 neighbors.
66616 runs about 29 points more Democratic than Kansas as a whole. Kansas leans Republican overall, while 66616 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 66616. The southwest side runs the most Democratic (D+26) and the southeast side runs the most Republican (R+6), a spread of about 32 points.
Why 66616 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 66616, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 84% of residents in 66616 live in densely developed areas, about 47 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 43% of adults in 66616 have never been married, above 91% of zip codes. 66616 runs against the grain of Kansas, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 66616, KS sits in the top quarter nationally on this measure.
Why turnout in 66616 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 66616 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 22% of adults in 66616 report food insecurity, above 84% 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.