Southwest Detroit, Detroit, MI Political Map | Democrat & Republican Areas in Southwest Detroit

By the BestNeighborhood data science team. Last updated May 2026.

Southwest Detroit leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.

 

About 40% of adults in Southwest Detroit typically vote, below the U.S. average of about 62%. Among adults in Southwest Detroit, ~26% vote Democratic, ~14% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.

How Southwest Detroit compares

Among neighborhoods within 5 miles, Southwest Detroit leans more Democratic than 2 of 21 neighbors.

Southwest Detroit runs about 30 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and Southwest Detroit sits clearly on the Democratic side.

Politics vary noticeably by block within Southwest Detroit. The northeast side is the most Democratic-leaning (D+35) and the southeast side is the least Democratic-leaning (D+13), a spread of about 23 points.

Why Southwest Detroit 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 Southwest Detroit, not a ranked or complete list of what matters most.

Southwest Detroit votes against the grain of Michigan. Michigan is roughly evenly split, while Southwest Detroit runs about 30 points more Democratic. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in Southwest Detroit is about 15%, about 57 points below the U.S. average of 72%.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Southwest Detroit, Detroit, MI sits in the top quarter nationally on this measure.

Why turnout in Southwest Detroit looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Southwest Detroit is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 23 points below the Michigan average of 67%. High food insecurity lines up with lower turnout, and about 42% of adults in Southwest Detroit report food insecurity, above 94% of neighborhoods. Low high-school completion lines up with lower turnout, and about 60% of adults in Southwest Detroit have completed high school, below 98% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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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.