McPherson County leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 73% of adults in McPherson County typically vote, above the U.S. average of about 62%. Among adults in McPherson County, ~20% vote Democratic, ~53% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How McPherson County compares
Among counties within 50 miles, McPherson County leans more Republican than 3 of 8 neighbors.
McPherson County runs about 28 points more Republican than Kansas as a whole.
Politics vary noticeably by city within McPherson County. The northeast side is the most Republican-leaning (R+64) and the north side is the least Republican-leaning (R+40), a spread of about 24 points.
Why McPherson County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in McPherson County. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; McPherson County, KS sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in McPherson County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. McPherson County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 65%, about 5 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Harvey County, KS R+33
- Reno County, KS R+35
- Marion County, KS R+52
- Saline County, KS R+26
- Rice County, KS R+54
- Ellsworth County, KS R+56
- Dickinson County, KS R+51
- Ottawa County, KS R+63
- Sedgwick County, KS R+7
- Lincoln County, KS R+67
Counties with Similar Populations
- Caledonia County, VT R+9
- Iberville Parish, LA R+6
- Knox County, KY R+65
- Austin County, TX R+54
- Randolph County, IL R+45
- Ottawa County, OK R+53
- Wayne County, GA R+52
- Mecklenburg County, VA R+17
- Madison County, GA R+55
- Powhatan County, VA R+38
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.