66749 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 73% of adults in 66749 typically vote, above the U.S. average of about 62%. Among adults in 66749, ~21% vote Democratic, ~53% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 66749 compares
Among zip codes within 15 miles, 66749 is the least Republican-leaning.
66749 runs about 28 points more Republican than Kansas as a whole.
Politics vary noticeably by block within 66749. The southeast side is the most Republican-leaning (R+51) and the west side is the least Republican-leaning (R+37), a spread of about 14 points.
Why 66749 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 66749. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 66749, KS sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 66749 looks the way it does
Turnout in 66749 sits close to the national pattern. 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.