Three Rivers leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 83% of adults in Three Rivers typically vote, above the U.S. average of about 62%. Among adults in Three Rivers, ~31% vote Democratic, ~52% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Three Rivers compares
Among cities within 25 miles, Three Rivers leans more Republican than 15 of 61 neighbors.
Three Rivers runs about 24 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Three Rivers. The northwest side is the most Republican-leaning (R+33) and the east side is the least Republican-leaning (R+17), a spread of about 17 points.
Why Three Rivers 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 Three Rivers, not a ranked or complete list of what matters most.
Three Rivers votes Republican even though it is densely developed (about 37%, 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; Three Rivers, MI sits above the national average 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 Three Rivers looks the way it does
Turnout in Three Rivers 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 Cities
- Moore Park, MI R+37
- Howardsville, MI R+39
- Centreville, MI R+42
- Constantine, MI R+42
- Parkville, MI R+43
- Flowerfield, MI R+27
- Wasepi, MI R+46
- Marcellus, MI R+35
- Jones, MI R+39
- Mendon, MI R+44
Cities with Similar Populations
- Bennettsville, SC D+25
- Grosse Pointe Woods, MI D+17
- Artesia, CA D+16
- Dardenne Prairie, MO R+17
- Madison, NJ D+22
- North Arlington, NJ R+12
- Sauk Rapids, MN R+22
- Gaylord, MI R+24
- Grand Bay, AL R+70
- Logan, OH R+49
All Local Stats
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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.