66027 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 38% of adults in 66027 typically vote, below the U.S. average of about 62%. Among adults in 66027, ~17% vote Democratic, ~21% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.
How 66027 compares
Among zip codes within 15 miles, 66027 leans more Republican than 1 of 11 neighbors.
66027 runs about 9 points more Democratic than Kansas as a whole.
Politics vary noticeably by block within 66027. The northwest side is the most split-leaning (R+19) and the south side is the least split-leaning (Even), a spread of about 19 points.
Why 66027 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 66027, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 86% of households in 66027 are family households, about 19 points above the U.S. average of 67%. Dense places usually vote Democratic, but 66027 runs against that pattern.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 66027, KS sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 66027 looks the way it does
Renters vote less often than owners. About 99% of households in 66027 rent, about 74 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 5% of homes in 66027 have more than one occupant per room, above 86% of zip codes. Low high-school completion lines up with lower turnout, and about 98% of adults in 66027 have completed high school, above 95% 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.