66013 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 89% of adults in 66013 typically vote, above the U.S. average of about 62%. Among adults in 66013, ~30% vote Democratic, ~59% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How 66013 compares
Among zip codes within 15 miles, 66013 leans more Republican than 23 of 27 neighbors.
66013 runs about 17 points more Republican than Kansas as a whole.
Politics vary noticeably by block within 66013. The southeast side is the most Republican-leaning (R+50) and the north side is the least Republican-leaning (R+17), a spread of about 33 points.
Why 66013 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 66013, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 85% of households in 66013 are family households, about 19 points above the U.S. average of 67%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 66013, KS sits in the top tenth nationally on this measure.
Why turnout in 66013 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 66013 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in 66013 own their home, compared to around 78% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 66013 have completed high school, 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.