Chase County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 79% of adults in Chase County typically vote, above the U.S. average of about 62%. Among adults in Chase County, ~20% vote Democratic, ~59% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Chase County compares
Among counties within 50 miles, Chase County leans more Republican than 4 of 10 neighbors.
Chase County runs about 33 points more Republican than Kansas as a whole.
Politics vary noticeably by city within Chase County. The west side is the most Republican-leaning (R+56) and the east side is the least Republican-leaning (R+43), a spread of about 13 points.
Why Chase County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Chase County. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; Chase County, KS sits below the national average on this measure.
Why turnout in Chase County looks the way it does
Turnout in Chase County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Lyon County, KS R+14
- Morris County, KS R+52
- Marion County, KS R+52
- Greenwood County, KS R+61
- Coffey County, KS R+58
- Wabaunsee County, KS R+53
- Dickinson County, KS R+51
- Geary County, KS R+16
- Harvey County, KS R+33
- Butler County, KS R+41
Counties with Similar Populations
- Butte County, ID R+75
- Rawlins County, KS R+73
- Cochran County, TX R+47
- Pawnee County, NE R+61
- McIntosh County, ND R+61
- Cheyenne County, KS R+71
- Hitchcock County, NE R+77
- Frontier County, NE R+74
- Hamilton County, KS R+71
- Rich County, UT R+66
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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.