49930 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 80% of adults in 49930 typically vote, above the U.S. average of about 62%. Among adults in 49930, ~46% vote Democratic, ~34% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 49930 compares
Among zip codes within 15 miles, 49930 leans more Democratic than 13 of 14 neighbors.
49930 runs about 16 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and 49930 sits clearly on the Democratic side.
Politics vary noticeably by block within 49930. The south side runs the most Democratic (D+38) and the northeast side runs the most Republican (R+10), a spread of about 49 points.
Why 49930 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 49930, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 42% of adults in 49930 hold a bachelor's degree, about 13 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 41% of adults in 49930 have never been married, above 89% of zip codes. 49930 runs against the grain of Michigan, a Democratic-leaning outlier in a roughly evenly split state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 49930, MI sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 49930 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 49930 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%. High high-school completion lines up with higher turnout, and about 97% of adults in 49930 have completed high school, above 87% 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.