49664 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 81% of adults in 49664 typically vote, above the U.S. average of about 62%. Among adults in 49664, ~37% vote Democratic, ~44% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 49664 compares
Among zip codes within 15 miles, 49664 leans more Republican than 8 of 11 neighbors.
49664 runs about 7 points more Republican than Michigan as a whole.
Politics vary noticeably by block within 49664. The west side runs the most Democratic (D+20) and the south side runs the most Republican (R+13), a spread of about 32 points.
Why 49664 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 49664, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 49664 live in densely developed areas, about 26 points below the Michigan average of 31%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 49664, MI sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 49664 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 49664 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in 49664 own their home, about 15 points above the U.S. average of 75%. 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.