48301 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About more than 99% of adults in 48301 typically vote, above the U.S. average of about 62%. Among adults in 48301, ~60% vote Democratic, ~43% Republican, and ~-3% don't vote. The map below shows estimated turnout by block group.
How 48301 compares
Among zip codes within 15 miles, 48301 leans more Democratic than 39 of 80 neighbors.
48301 runs about 17 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and 48301 sits clearly on the Democratic side.
Politics vary noticeably by block within 48301. The west side is the most Democratic-leaning (D+21) and the northeast side is the least Democratic-leaning (D+6), a spread of about 15 points.
Why 48301 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 48301, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 80% of adults in 48301 hold a bachelor's degree, about 51 points above the U.S. average of 28%. Dense areas vote Democratic, and 48301 sits in the top fifth on density (about 98%, above 93% of zip codes). 48301 runs against the grain of Michigan, a Democratic-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 48301, MI sits in the top quarter nationally on this measure.
Why turnout in 48301 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 48301 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 82%, about 22 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in 48301 own their home, above 86% of zip codes. High high-school completion lines up with higher turnout, and more than 99% of adults in 48301 have completed high school, in the top fraction 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.