48439 is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 91% of adults in 48439 typically vote, above the U.S. average of about 62%. Among adults in 48439, ~47% vote Democratic, ~45% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 48439 compares
Among zip codes within 15 miles, 48439 sits roughly in the middle of the political spectrum, with 16 neighbors leaning further in the place's direction and 9 leaning the other way.
48439 runs about 4 points more Democratic than Michigan as a whole.
Politics vary noticeably by block within 48439. The west side runs the most Democratic (D+18) and the southwest side runs the most Republican (R+9), a spread of about 28 points.
Why 48439 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 48439. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 48439, MI sits in the top quarter nationally on this measure.
Why turnout in 48439 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48439 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 73%, about 13 points above the U.S. average of 60%. 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.