Rochester Hills is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 87% of adults in Rochester Hills typically vote, above the U.S. average of about 62%. Among adults in Rochester Hills, ~45% vote Democratic, ~42% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Rochester Hills compares
Among cities within 25 miles, Rochester Hills leans more Democratic than 49 of 90 neighbors.
Rochester Hills runs about 6 points more Democratic than Michigan as a whole.
Politics vary noticeably by neighborhood within Rochester Hills. The northwest side runs the most Democratic (D+10) and the northeast side runs the most Republican (R+3), a spread of about 13 points.
Why Rochester Hills leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Rochester Hills. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Rochester Hills, MI sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Rochester Hills looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Rochester Hills 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 77%, about 17 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Rochester Hills have completed high school, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rochester, MI Even
- Auburn Hills, MI D+23
- Utica, MI R+22
- Pontiac, MI D+53
- Troy, MI D+7
- Oakland, MI R+20
- Washington, MI R+36
- Lake Orion, MI R+5
- Bloomfield Hills, MI D+13
- Sterling Heights, MI R+19
Cities with Similar Populations
- San Pedro, CA D+27
- O'fallon, MO R+16
- Mililani, HI D+14
- New Rochelle, NY D+35
- Stockbridge, GA D+40
- Mansfield, OH R+14
- Flower Mound, TX R+16
- Simpsonville, SC R+22
- Winchester, VA R+10
- Caldwell, ID R+37
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.