Plymouth leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 97% of adults in Plymouth typically vote, above the U.S. average of about 62%. Among adults in Plymouth, ~51% vote Democratic, ~46% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How Plymouth compares
Among cities within 25 miles, Plymouth leans more Democratic than 48 of 96 neighbors.
Plymouth runs about 7 points more Democratic than Michigan as a whole.
Politics vary noticeably by neighborhood within Plymouth. The north side runs the most Democratic (D+20) and the northwest side runs the most Republican (R+10), a spread of about 31 points.
Why Plymouth 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 Plymouth, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in Plymouth live in densely developed areas, about 56 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Plymouth sits in the top quarter (about 60%, above 97% of cities).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Plymouth, 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 Plymouth looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Plymouth 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Plymouth have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Northville, MI D+6
- Canton, MI D+13
- Livonia, MI Even
- Westland, MI D+15
- Salem, MI R+11
- Novi, MI D+14
- Garden City, MI R+9
- Farmington, MI D+26
- Wayne, MI D+16
- Dixboro, MI D+24
Cities with Similar Populations
- DePere, WI R+8
- Nicholasville, KY R+34
- Thibodaux, LA R+33
- Buffalo Grove, IL D+25
- Canonsburg, PA R+14
- Westfield, MA Even
- Carol Stream, IL D+10
- Beverly Hills, CA D+18
- Hallandale Beach, FL D+8
- Fairburn, GA D+71
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.