Ellis County leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 67% of adults in Ellis County typically vote, near the U.S. average of about 62%. Among adults in Ellis County, ~21% vote Democratic, ~46% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Ellis County compares
Among counties within 50 miles, Ellis County is the least Republican-leaning.
Ellis County runs about 22 points more Republican than Kansas as a whole.
Politics vary noticeably by city within Ellis County. The northeast side is the most Republican-leaning (R+70) and the southwest side is the least Republican-leaning (R+11), a spread of about 59 points.
Why Ellis County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Ellis County, not a ranked or complete list of what matters most.
Ellis County votes Republican even though it is densely developed (about 61%, far above the Kansas average of 19%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Ellis County, KS sits in the top tenth nationally on this measure.
Why turnout in Ellis County looks the way it does
Areas with high high-school completion turn out at higher rates. About 95% of adults in Ellis County have completed high school, about 5 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Rush County, KS R+62
- Russell County, KS R+59
- Rooks County, KS R+66
- Trego County, KS R+67
- Ness County, KS R+77
- Graham County, KS R+65
- Barton County, KS R+47
- Pawnee County, KS R+49
- Osborne County, KS R+74
- Gove County, KS R+77
Counties with Similar Populations
- Van Wert County, OH R+56
- Fayette County, OH R+55
- Glenn County, CA R+32
- Alpena County, MI R+25
- Pine County, MN R+37
- Ripley County, IN R+59
- Marion County, TN R+62
- Mason County, MI R+20
- Garrett County, MD R+50
- Jasper County, SC Even
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.