66102 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 34% of adults in 66102 typically vote, below the U.S. average of about 62%. Among adults in 66102, ~24% vote Democratic, ~10% Republican, and ~66% don't vote. The map below shows estimated turnout by block group.
How 66102 compares
Among zip codes within 15 miles, 66102 leans more Democratic than 58 of 78 neighbors.
66102 runs about 55 points more Democratic than Kansas as a whole. Kansas leans Republican overall, while 66102 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 66102. The northeast side is the most Democratic-leaning (D+63) and the southwest side is the least Democratic-leaning (D+24), a spread of about 39 points.
Why 66102 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 66102, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in 66102 live in densely developed areas, about 56 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 42% of adults in 66102 have never been married, above 90% of zip codes. 66102 runs against the grain of Kansas, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 66102, KS sits in the bottom 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 66102 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 66102 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 19 points below the Kansas average of 63%. Renters vote less often than owners, and about 42% of households in 66102 rent, compared to around 59% in nearby zip codes. High food insecurity lines up with lower turnout, and about 34% of adults in 66102 report food insecurity, above 96% 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.