49304 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 68% of adults in 49304 typically vote, above the U.S. average of about 62%. Among adults in 49304, ~27% vote Democratic, ~41% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 49304 compares
Among zip codes within 15 miles, 49304 leans more Republican than 1 of 6 neighbors.
49304 runs about 19 points more Republican than Michigan as a whole.
Politics vary noticeably by block within 49304. The southwest side is the most Republican-leaning (R+29) and the northeast side is the least Republican-leaning (R+12), a spread of about 17 points.
Why 49304 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 49304, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 49304 hold a bachelor's degree, about 14 points below the Michigan average of 26%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; 49304, MI sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 49304 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 49304 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.