Marquette leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 78% of adults in Marquette typically vote, above the U.S. average of about 62%. Among adults in Marquette, ~46% vote Democratic, ~32% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Marquette compares
Among cities within 25 miles, Marquette is the most Democratic-leaning.
Marquette runs about 19 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and Marquette sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Marquette. The east side runs the most Democratic (D+42) and the southeast side runs the most Republican (R+2), a spread of about 45 points.
Why Marquette 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 Marquette, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 57% of residents in Marquette live in densely developed areas, about 21 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Marquette sits in the top quarter (about 46%, above 91% of cities). A high never-married share predicts Democratic voting, and about 47% of adults in Marquette have never been married, above 97% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Marquette, MI sits in the top tenth nationally on this measure.
Why turnout in Marquette looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marquette 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 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Marquette have completed high school, above 86% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Trowbridge Park, MI D+2
- Harvey, MI R+10
- Sands, MI R+14
- Green Garden, MI R+3
- Negaunee, MI R+12
- Mangum, MI Even
- National Mine, MI R+17
- Palmer, MI R+19
- K. I. Sawyer Air Force Base, MI R+12
- Skandia, MI R+13
Cities with Similar Populations
- Allen Park, MI R+3
- Graham, NC R+8
- Wilsonville, OR D+21
- Oxford, OH D+16
- Shelbyville, KY R+26
- Agawam Town, MA R+6
- Highland Park, IL D+50
- Leland, NC R+18
- Uniondale, NY D+58
- Rockville Centre, NY D+7
All Local Stats
Home Services
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.