Marshall leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 86% of adults in Marshall typically vote, above the U.S. average of about 62%. Among adults in Marshall, ~35% vote Democratic, ~51% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Marshall compares
Among cities within 25 miles, Marshall leans more Republican than 6 of 61 neighbors.
Marshall runs about 16 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Marshall. The southeast side is the most Republican-leaning (R+35) and the west side is the least Republican-leaning (R+11), a spread of about 25 points.
Why Marshall leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Marshall, not a ranked or complete list of what matters most.
Marshall votes Republican even though it is densely developed (about 43%, modestly above the Michigan average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Marshall, MI sits in the top tenth 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 Marshall looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marshall 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Marshall have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Marengo, MI R+28
- Wrights Corners, MI R+44
- Urbandale, MI R+28
- Eckford, MI R+50
- Ceresco, MI R+33
- Clarendon, MI R+51
- Partello, MI R+47
- Albion, MI D+6
- Maplehurst, MI R+30
- Tekonsha, MI R+44
Cities with Similar Populations
- Middleville, MI R+33
- Foxboro, MA D+13
- North Smithfield, RI R+3
- Kill Devil Hills, NC R+21
- Storm Lake, IA R+7
- Somersworth, NH D+2
- Hazlehurst, GA R+53
- Havre, MT R+38
- West Perrine, FL D+23
- Yadkinville, NC R+61
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Sources and methodology
Precinct-level voting records used to fit the model come from Michigan Department 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.