Doniphan County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 64% of adults in Doniphan County typically vote, near the U.S. average of about 62%. Among adults in Doniphan County, ~13% vote Democratic, ~51% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Doniphan County compares
Among counties within 50 miles, Doniphan County leans more Republican than 13 of 17 neighbors.
Doniphan County runs about 42 points more Republican than Kansas as a whole.
Politics vary noticeably by city within Doniphan County. The west side is the most Republican-leaning (R+75) and the southeast side is the least Republican-leaning (R+50), a spread of about 25 points.
Why Doniphan County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Doniphan County. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Doniphan County, KS sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Doniphan County looks the way it does
Homeowners vote more often than renters. About 81% of households in Doniphan County own their home, about 6 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Buchanan County, MO R+23
- Andrew County, MO R+50
- Atchison County, KS R+34
- Holt County, MO R+61
- Brown County, KS R+42
- DeKalb County, MO R+57
- Richardson County, NE R+55
- Leavenworth County, KS R+20
- Clinton County, MO R+48
- Nodaway County, MO R+38
Counties with Similar Populations
- Marion County, GA R+29
- Adair County, IA R+46
- Harney County, OR R+47
- Nicholas County, KY R+60
- Wheeler County, GA R+31
- Kingman County, KS R+58
- Cleveland County, AR R+69
- Grant County, SD R+52
- Conejos County, CO R+25
- East Carroll Parish, LA D+18
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.