Millbrook leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 79% of adults in Millbrook typically vote, above the U.S. average of about 62%. Among adults in Millbrook, ~23% vote Democratic, ~56% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Millbrook compares
Among cities within 25 miles, Millbrook leans more Republican than 27 of 54 neighbors.
Millbrook runs about 41 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Millbrook. The west side is the most Republican-leaning (R+49) and the north side is the least Republican-leaning (R+35), a spread of about 14 points.
Why Millbrook leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Millbrook. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Millbrook, MI sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Millbrook looks the way it does
Turnout in Millbrook 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
- Blanchard, MI R+41
- Remus, MI R+36
- Wyman, MI R+46
- Village of Lake Isabella, MI R+31
- Sylvester, MI R+45
- Lake Isabella, MI R+26
- Six Lakes, MI R+44
- Two Rivers, MI R+26
- Winn, MI R+42
- Edmore, MI R+44
Cities with Similar Populations
- Petersham, MA D+15
- Hanska, MN R+49
- Cowansville, PA R+60
- Crowell, TX R+69
- Sylvan Beach, NY R+32
- Lanford, SC R+54
- Benet Lake, WI R+25
- Clintonville, PA R+56
- Gilliam, LA R+21
- Meridian, OK R+64
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.