48619 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 78% of adults in 48619 typically vote, above the U.S. average of about 62%. Among adults in 48619, ~20% vote Democratic, ~58% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 48619 compares
Among zip codes within 15 miles, 48619 is the most Republican-leaning.
48619 runs about 47 points more Republican than Michigan as a whole.
Why 48619 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 48619, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 48619, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 12% of adults hold a bachelor's degree, about 14 points below the Michigan average of 26%.
Population density and Republican lean
Places with low population density tend to lean Republican; 48619, MI sits in the bottom quarter nationally on this measure.
Why turnout in 48619 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48619 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%. Homeowners vote more often than renters, and about 93% of households in 48619 own their home, about 18 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.