Old Mill Gardens leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 94% of adults in Old Mill Gardens typically vote, above the U.S. average of about 62%. Among adults in Old Mill Gardens, ~31% vote Democratic, ~63% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Old Mill Gardens compares
Among cities within 25 miles, Old Mill Gardens leans more Republican than 29 of 61 neighbors.
Old Mill Gardens runs about 32 points more Republican than Michigan as a whole.
Why Old Mill Gardens 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 Old Mill Gardens, not a ranked or complete list of what matters most.
Old Mill Gardens votes Republican even though it is densely developed (about 23%, modestly below the Michigan average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Old Mill Gardens, MI sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Old Mill Gardens looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Old Mill Gardens 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Old Mill Gardens own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Old Mill Gardens have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Joppa, MI R+38
- East Leroy, MI R+40
- Ceresco, MI R+33
- Battle Creek, MI Even
- West Leroy, MI R+39
- Pine Creek, MI R+42
- Springfield, MI R+9
- Brownlee Park, MI R+19
- Climax, MI R+33
- Burlington, MI R+47
Cities with Similar Populations
- Jakin, GA R+46
- Maynard, MN R+48
- Jensen, UT R+81
- Robertstown, GA R+58
- Hoffman, IL R+56
- Georgesville, OH R+48
- Ehrenberg, AZ R+34
- Harrington, ME R+33
- Greeley, KS R+62
- Pleasant Hill, NC D+27
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.