48445 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 78% of adults in 48445 typically vote, above the U.S. average of about 62%. Among adults in 48445, ~20% vote Democratic, ~58% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 48445 compares
Among zip codes within 15 miles, 48445 leans more Republican than 4 of 6 neighbors.
48445 runs about 46 points more Republican than Michigan as a whole.
Politics vary noticeably by block within 48445. The southwest side is the most Republican-leaning (R+50) and the northwest side is the least Republican-leaning (R+36), a spread of about 14 points.
Why 48445 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 48445, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 48445, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 10 points below the Michigan average of 26%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 48445, MI sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 48445 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48445 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 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 88% of households in 48445 own their home, above 82% 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.