48120 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 60% of adults in 48120 typically vote, near the U.S. average of about 62%. Among adults in 48120, ~27% vote Democratic, ~33% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 48120 compares
Among zip codes within 15 miles, 48120 leans more Republican than 70 of 73 neighbors.
48120 runs about 8 points more Republican than Michigan as a whole.
Politics vary noticeably by block within 48120. The southwest side runs the most Democratic (D+41) and the southeast side runs the most Republican (R+43), a spread of about 84 points.
Why 48120 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 48120, not a ranked or complete list of what matters most.
48120 votes Republican even though it is densely developed (about 99%, far above the Michigan average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 48120, MI does.
Why turnout in 48120 looks the way it does
Renters vote less often than owners. About 59% of households in 48120 rent, about 34 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 27% of adults in 48120 report food insecurity, above 92% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.