Mc Millan leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 73% of adults in Mc Millan typically vote, above the U.S. average of about 62%. Among adults in Mc Millan, ~20% vote Democratic, ~53% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Mc Millan compares
Among cities within 25 miles, Mc Millan leans more Republican than 10 of 14 neighbors.
Mc Millan runs about 43 points more Republican than Michigan as a whole.
Why Mc Millan 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 Mc Millan, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Mc Millan live in densely developed areas, about 29 points below the Michigan average of 31%.
Population density and Republican lean
Places with low population density tend to lean Republican; Mc Millan, MI sits in the bottom quarter nationally on this measure.
Why turnout in Mc Millan looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mc Millan 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Curtis, MI R+40
- Dollarville, MI R+28
- Roberts Corners, MI R+39
- Germfask, MI R+48
- Newberry, MI R+22
- Fourmile Corner, MI R+40
- Engadine, MI R+43
- Seney, MI R+54
- Gould City, MI R+39
- McLeods Corner, MI R+39
Cities with Similar Populations
- Adams, NE R+60
- Valona, GA D+2
- Muldraugh, KY R+23
- Charlo, MT R+40
- Cando, ND R+48
- West Layton, UT R+46
- Laphams Mills, NY R+10
- Elkton, SD R+49
- Fairview, MI R+45
- Shannon, IL R+35
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.