48633 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 91% of adults in 48633 typically vote, above the U.S. average of about 62%. Among adults in 48633, ~25% vote Democratic, ~67% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 48633 compares
Among zip codes within 15 miles, 48633 leans more Republican than 4 of 6 neighbors.
48633 runs about 44 points more Republican than Michigan as a whole.
Why 48633 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 48633, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 48633, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 10% of adults hold a bachelor's degree, about 16 points below the Michigan average of 26%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 48633, MI sits in the top tenth nationally on this measure.
Why turnout in 48633 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48633 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 58%, below 67% of zip codes. Homeowners vote more often than renters, and about 97% of households in 48633 own their home, about 22 points above the U.S. average of 75%. 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.