49507 is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 59% of adults in 49507 typically vote, near the U.S. average of about 62%. Among adults in 49507, ~46% vote Democratic, ~13% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 49507 compares
Among zip codes within 15 miles, 49507 is the most Democratic-leaning.
49507 runs about 58 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and 49507 sits clearly on the Democratic side.
Politics vary noticeably by block within 49507. The northeast side is the most Democratic-leaning (D+75) and the southwest side is the least Democratic-leaning (D+43), a spread of about 32 points.
Why 49507 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 49507, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 49507 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 46% of adults in 49507 have never been married, above 93% of zip codes. 49507 runs against the grain of Michigan, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 49507, MI sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 49507 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 49507 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 39% of households in 49507 rent, above 86% of zip codes. High food insecurity lines up with lower turnout, and about 33% of adults in 49507 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.