48602 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 58% of adults in 48602 typically vote, near the U.S. average of about 62%. Among adults in 48602, ~37% vote Democratic, ~21% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 48602 compares
Among zip codes within 15 miles, 48602 leans more Democratic than 18 of 20 neighbors.
48602 runs about 29 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and 48602 sits clearly on the Democratic side.
Politics vary noticeably by block within 48602. The southeast side is the most Democratic-leaning (D+39) and the southwest side is the least Democratic-leaning (D+24), a spread of about 15 points.
Why 48602 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 48602, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 48602 live in densely developed areas, about 61 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 46% of adults in 48602 have never been married, above 93% of zip codes. 48602 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; 48602, MI sits in the top quarter nationally on this measure.
Why turnout in 48602 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 48602 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 36% of households in 48602 rent, above 83% of zip codes. High food insecurity lines up with lower turnout, and about 33% of adults in 48602 report food insecurity, above 95% 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.