48649 leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 68% of adults in 48649 typically vote, above the U.S. average of about 62%. Among adults in 48649, ~20% vote Democratic, ~48% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 48649 compares
Among zip codes within 15 miles, 48649 leans more Republican than 8 of 10 neighbors.
48649 runs about 38 points more Republican than Michigan as a whole.
Politics vary noticeably by block within 48649. The west side is the most Republican-leaning (R+42) and the northeast side is the least Republican-leaning (R+30), a spread of about 13 points.
Why 48649 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 48649, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in 48649 hold a bachelor's degree, about 13 points below the Michigan average of 26%. A high family-household share predicts Republican voting, and about 75% of households in 48649 are family households, above 79% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 48649, 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 48649 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48649 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 66%, about 6 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.