Petrieville leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 90% of adults in Petrieville typically vote, above the U.S. average of about 62%. Among adults in Petrieville, ~33% vote Democratic, ~57% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How Petrieville compares
Among cities within 25 miles, Petrieville leans more Republican than 19 of 52 neighbors.
Petrieville runs about 24 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Petrieville. The west side is the most Republican-leaning (R+35) and the east side is the least Republican-leaning (R+16), a spread of about 19 points.
Why Petrieville leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Petrieville. 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; Petrieville, 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 Petrieville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Petrieville 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Petrieville own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Petrieville have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Eaton Rapids, MI R+27
- Kinneville, MI R+37
- West Windsor, MI R+16
- Dimondale, MI R+6
- Onondaga, MI R+34
- Holt, MI D+15
- Mason, MI R+4
- Potterville, MI R+28
- Charlotte, MI R+28
- Leslie, MI R+33
Cities with Similar Populations
- Bradley, WV R+59
- Oak Creek, CO Even
- Sac City, IA R+45
- Brighton, AL D+83
- Waldo, AR R+21
- Lowgap, NC R+68
- Berry, AL R+82
- Shellsburg, IA R+44
- Woodworth, LA R+71
- Fryeburg, ME R+18
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.