Ortonville leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 92% of adults in Ortonville typically vote, above the U.S. average of about 62%. Among adults in Ortonville, ~32% vote Democratic, ~60% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Ortonville compares
Among cities within 25 miles, Ortonville leans more Republican than 50 of 72 neighbors.
Ortonville runs about 28 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Ortonville. The northeast side is the most Republican-leaning (R+38) and the south side is the least Republican-leaning (R+21), a spread of about 18 points.
Why Ortonville 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 Ortonville, not a ranked or complete list of what matters most.
Ortonville votes Republican even though it is densely developed (about 30%, about 7 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Ortonville, MI sits in the top tenth nationally on this measure.
Why turnout in Ortonville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ortonville 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in Ortonville own their home, about 19 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Kerr Hill, MI R+38
- Goodrich, MI R+31
- Clarkston, MI R+15
- Village of Clarkston, MI Even
- Oxford, MI R+21
- Davisburg, MI R+24
- Hadley, MI R+37
- Metamora, MI R+34
- Atlas, MI R+31
- Newark, MI R+24
Cities with Similar Populations
- Tega Cay, SC R+17
- Banta, CA R+12
- Hasbrouck Heights, NJ R+7
- Harrison, TN R+43
- Marshfield, MO R+59
- Washington, NJ R+14
- Highland, NY D+8
- Shingle Springs, CA R+24
- Patchogue, NY R+2
- Rogers, MN R+9
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.