48051 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 84% of adults in 48051 typically vote, above the U.S. average of about 62%. Among adults in 48051, ~33% vote Democratic, ~51% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How 48051 compares
Among zip codes within 15 miles, 48051 leans more Republican than 15 of 34 neighbors.
48051 runs about 21 points more Republican than Michigan as a whole.
Politics vary noticeably by block within 48051. The northwest side is the most Republican-leaning (R+39) and the east side is the least Republican-leaning (R+14), a spread of about 26 points.
Why 48051 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 48051, not a ranked or complete list of what matters most.
48051 votes Republican even though it is densely developed (about 77%, far above the Michigan average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 48051, MI sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 48051 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48051 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 70%, about 10 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.