66018 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 77% of adults in 66018 typically vote, above the U.S. average of about 62%. Among adults in 66018, ~30% vote Democratic, ~47% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 66018 compares
Among zip codes within 15 miles, 66018 leans more Republican than 23 of 29 neighbors.
66018 runs about 6 points more Republican than Kansas as a whole.
Why 66018 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 66018, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in 66018 are family households, about 10 points above the U.S. average of 67%.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; 66018, KS sits in the bottom tenth nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in 66018 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 66018 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 70%, about 10 points above the U.S. average of 60%. 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.