Troy leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 82% of adults in Troy typically vote, above the U.S. average of about 62%. Among adults in Troy, ~43% vote Democratic, ~38% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Troy compares
Among cities within 25 miles, Troy leans more Democratic than 48 of 92 neighbors.
Troy runs about 8 points more Democratic than Michigan as a whole.
Politics vary noticeably by neighborhood within Troy. The southwest side runs the most Democratic (D+30) and the southeast side runs the most Republican (R+5), a spread of about 35 points.
Why Troy 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 Troy, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in Troy live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Troy sits in the top quarter (about 57%, above 96% of cities). A high never-married share predicts Democratic voting, and about 31% of adults in Troy have never been married, above 76% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Troy, MI sits in the top tenth nationally on this measure.
Why turnout in Troy looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Troy 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Clawson, MI D+13
- Sterling Heights, MI R+19
- Madison Heights, MI D+9
- Royal Oak, MI D+32
- Birmingham, MI D+21
- Berkley, MI D+31
- Huntington Woods, MI D+47
- Warren, MI D+10
- Pleasant Ridge, MI D+49
- Beverly Hills, MI D+25
Cities with Similar Populations
- Silver Spring, MD D+66
- Dearborn, MI R+9
- Woodstock, GA R+25
- Daly City, CA D+39
- Gaithersburg, MD D+43
- Pensacola, FL R+14
- Franklin, TN R+21
- Douglasville, GA D+27
- Stone Mountain, GA D+67
- Redding, CA R+25
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.