Marshall County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 67% of adults in Marshall County typically vote, near the U.S. average of about 62%. Among adults in Marshall County, ~16% vote Democratic, ~51% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Marshall County compares
Among counties within 50 miles, Marshall County leans more Republican than 5 of 9 neighbors.
Marshall County runs about 37 points more Republican than Kansas as a whole.
Politics vary noticeably by city within Marshall County. The northeast side is the most Republican-leaning (R+62) and the north side is the least Republican-leaning (R+48), a spread of about 14 points.
Why Marshall 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 Marshall County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Marshall County, 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%.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Marshall County, KS sits in the bottom tenth nationally on this measure.
Why turnout in Marshall County looks the way it does
Turnout in Marshall 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
- Washington County, KS R+67
- Pawnee County, NE R+61
- Nemaha County, KS R+64
- Gage County, NE R+46
- Jefferson County, NE R+51
- Pottawatomie County, KS R+46
- Riley County, KS D+4
- Clay County, KS R+56
- Johnson County, NE R+51
- Jackson County, KS R+45
Counties with Similar Populations
- Keokuk County, IA R+47
- Lewis County, MO R+59
- Nome Census Area, AK D+23
- Perry County, AR R+62
- Franklin County, IA R+43
- Madison Parish, LA D+6
- Ochiltree County, TX R+58
- Carroll County, MS R+40
- Jackson County, MN R+42
- Yuma County, CO R+60
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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.