Marshall County is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 66% of adults in Marshall County typically vote, near the U.S. average of about 62%. Among adults in Marshall County, ~15% vote Democratic, ~51% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Marshall County compares
Among counties within 50 miles, Marshall County is the most Republican-leaning.
Marshall County runs about 58 points more Republican than Minnesota as a whole. Minnesota leans Democratic overall, while Marshall County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Marshall County. The west side is the most Republican-leaning (R+62) and the northeast side is the least Republican-leaning (R+40), a spread of about 21 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.
Marshall County votes against the grain of Minnesota. Minnesota leans Democratic overall, while Marshall County runs about 58 points more Republican. A high white share with below-average college attainment predicts Republican voting, and Marshall County fits that profile on both counts.
Population density and Republican lean
Places with low population density tend to lean Republican; Marshall County, MN sits in the bottom tenth nationally on this measure.
Why turnout in Marshall County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marshall 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 64%, above 76% of counties. Homeowners vote more often than renters, and about 83% of households in Marshall County own their home, above 90% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Pennington County, MN R+32
- Kittson County, MN R+34
- Red Lake County, MN R+47
- Polk County, MN R+31
- Grand Forks County, ND R+8
- Walsh County, ND R+46
- Roseau County, MN R+45
- Pembina County, ND R+51
- Traill County, ND R+37
- Norman County, MN R+27
Counties with Similar Populations
- Cloud County, KS R+55
- Cuming County, NE R+63
- Turner County, GA R+19
- White Pine County, NV R+60
- Palo Alto County, IA R+44
- Crittenden County, KY R+68
- Mitchell County, TX R+50
- Kemper County, MS D+23
- Hancock County, KY R+52
- Stephens County, TX R+68
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Minnesota 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.