Posen leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 72% of adults in Posen typically vote, above the U.S. average of about 62%. Among adults in Posen, ~19% vote Democratic, ~53% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Posen compares
Among cities within 25 miles, Posen leans more Republican than 10 of 16 neighbors.
Posen runs about 44 points more Republican than Michigan as a whole.
Why Posen 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 Posen, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 11% of adults in Posen hold a bachelor's degree, about 15 points below the Michigan average of 26%.
Population density and Republican lean
Places with low population density tend to lean Republican; Posen, MI sits in the bottom quarter nationally on this measure.
Why turnout in Posen looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Posen 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 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Posen own their home, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Liske, MI R+46
- Metz, MI R+46
- Hagensville, MI R+47
- Hawks, MI R+45
- Presque Isle, MI R+24
- Cathro, MI R+39
- Bell, MI R+33
- Rogers City, MI R+28
- Lachine, MI R+45
- Herron, MI R+47
Cities with Similar Populations
- Fairview Park, IN R+47
- Sun, MI R+45
- Freehold, NY R+26
- Bentleyville, OH D+20
- Carson, MS R+38
- Stanley Junction, TN R+74
- Ingomar, MS R+71
- Alton, MO R+66
- Brook, IN R+58
- Great River, NY R+17
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.