Marlborough leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 54% of adults in Marlborough typically vote, below the U.S. average of about 62%. Among adults in Marlborough, ~23% vote Democratic, ~31% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Marlborough compares
Among cities within 25 miles, Marlborough leans more Republican than 3 of 37 neighbors.
Marlborough runs about 15 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Marlborough. The southeast side runs the most Democratic (D+2) and the north side runs the most Republican (R+24), a spread of about 26 points.
Why Marlborough 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 Marlborough, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in Marlborough hold a bachelor's degree, about 14 points below the Michigan average of 26%.
Food insecurity and voter turnout
Places with high food insecurity tend to turn out at a lower rate; Marlborough, MI sits in the top tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Marlborough looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Marlborough is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 26% of adults in Marlborough report food insecurity, above 91% of cities. Low high-school completion lines up with lower turnout, and about 77% of adults in Marlborough have completed high school, below 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Idlewild, MI D+3
- Baldwin, MI R+19
- Lilley, MI R+46
- Nirvana, MI R+14
- Pine Grove Beach, MI R+33
- Bitely, MI R+45
- Woodland Park, MI R+42
- Chase, MI R+45
- Walhalla, MI R+35
- Branch, MI R+35
Cities with Similar Populations
- Gilchrist, TN R+73
- Spragueville, ME R+32
- Liberty, LA R+81
- Zephyr, NC R+59
- Herod, IL R+61
- Herrick, SD R+67
- South Clinchfield, VA R+70
- Hannaford, ND R+53
- Burnside, IA R+42
- Burr, NE R+47
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.