49630 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 92% of adults in 49630 typically vote, above the U.S. average of about 62%. Among adults in 49630, ~51% vote Democratic, ~40% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 49630 compares
Among zip codes within 15 miles, 49630 leans more Democratic than 6 of 7 neighbors.
49630 runs about 13 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and 49630 sits clearly on the Democratic side.
Politics vary noticeably by block within 49630. The north side runs the most Democratic (D+22) and the southeast side runs the most Republican (R+3), a spread of about 24 points.
Why 49630 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 49630, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in 49630 hold a bachelor's degree, about 27 points above the U.S. average of 28%. 49630 runs against the grain of Michigan, a Democratic-leaning outlier in a roughly evenly split state.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 49630, MI does.
Why turnout in 49630 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 49630 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 88% of households in 49630 own their home, above 82% of zip codes. High high-school completion lines up with higher turnout, and about 97% of adults in 49630 have completed high school, above 91% 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.