49066 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 77% of adults in 49066 typically vote, above the U.S. average of about 62%. Among adults in 49066, ~19% vote Democratic, ~58% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 49066 compares
Among zip codes within 15 miles, 49066 is the most Republican-leaning.
49066 runs about 49 points more Republican than Michigan as a whole.
Why 49066 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 49066, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 49066, about 95% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 12 points below the Michigan average of 26%. A high family-household share predicts Republican voting, and about 75% of households in 49066 are family households, above 81% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 49066, MI sits in the bottom 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 49066 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 49066 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 67%, about 7 points above the U.S. average of 60%. 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.