St Jean is a Democratic stronghold. About 93% of voters here vote Democratic and 7% Republican.
About 63% of adults in St Jean typically vote, near the U.S. average of about 62%. Among adults in St Jean, ~59% vote Democratic, ~4% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How St Jean compares
Among neighborhoods within 5 miles, St Jean leans more Democratic than 25 of 28 neighbors.
St Jean runs about 88 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and St Jean sits clearly on the Democratic side.
Why St Jean leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for St Jean, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in St Jean is about 6%, about 66 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 64% of adults in St Jean have never been married, above 95% of neighborhoods. St Jean runs against the grain of Michigan, a Democratic-leaning outlier in a roughly evenly split state.
Developed land and Democratic lean
Places with a heavily developed built environment tend to lean Democratic; St Jean, Detroit, MI sits in the top quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in St Jean looks the way it does
Turnout in St Jean sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Kettering-Butzel, Detroit, MI D+87
- Islandview, Detroit, MI D+81
- Ravendale, Detroit, MI D+86
- Chandler Park, Detroit, MI D+87
- Conner, Detroit, MI D+86
- Jefferson Chalmers, Detroit, MI D+84
- Airport, Detroit, MI D+57
- Lasalle College Park, Detroit, MI D+87
- Morningside, Detroit, MI D+85
- Elmwood Park, Detroit, MI D+88
Neighborhoods with Similar Populations
- South City Community, Wichita, KS D+10
- Crestview, Austin, TX D+66
- Sun Groves, Chandler, AZ R+8
- National Hills, Augusta, GA D+29
- West End, Portland, ME D+77
- Crawford, Ames, IA D+26
- Birchwood, Bellingham, WA D+46
- Northpoint, Milwaukee, WI D+57
- Old North Dayton, Dayton, OH D+3
- Madison South, Portland, OR D+65
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.