66851 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 48% of adults in 66851 typically vote, below the U.S. average of about 62%. Among adults in 66851, ~9% vote Democratic, ~39% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How 66851 compares
Among zip codes within 15 miles, 66851 leans more Republican than 3 of 4 neighbors.
66851 runs about 46 points more Republican than Kansas as a whole.
Why 66851 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 66851, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 66851, about 93% of residents are non-Hispanic white, about 21 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 7 points below the Kansas average of 27%. Rural areas vote Republican, and 66851 sits in the bottom quarter on density (about 5%, below 85% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 66851, KS sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 66851 looks the way it does
Areas with low high-school completion turn out at lower rates. About 87% of adults in 66851 have completed high school, below 75% 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.