66031 is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 37% of adults in 66031 typically vote, below the U.S. average of about 62%. Among adults in 66031, ~18% vote Democratic, ~19% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 66031 compares
Among zip codes within 15 miles, 66031 sits roughly in the middle of the political spectrum, with 13 neighbors leaning further in the place's direction and 15 leaning the other way.
66031 runs about 13 points more Democratic than Kansas as a whole.
Why 66031 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 66031. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 66031, KS sits in the top 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 66031 looks the way it does
Areas with low high-school completion turn out at lower rates. About 76% of adults in 66031 have completed high school, about 14 points below the U.S. average of 90%. Strong routine healthcare access lines up with higher turnout, and 66031 sits in the top quarter on routine-care measures. 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.