Southfield leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 84% of adults in Southfield typically vote, above the U.S. average of about 62%. Among adults in Southfield, ~55% vote Democratic, ~29% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Southfield compares
Among cities within 25 miles, Southfield leans more Democratic than 43 of 64 neighbors.
Southfield runs about 7 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Southfield. The northeast side is the most Democratic-leaning (D+44) and the west side is the least Democratic-leaning (D+29), a spread of about 15 points.
Why Southfield leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Southfield, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 43% of adults in Southfield hold a bachelor's degree, about 15 points above the U.S. average of 28%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Southfield, MA 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 Southfield looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Southfield 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 74%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Southfield own their home, about 20 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Southfield have completed high school, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mill River, MA D+28
- Ashley Falls, MA D+11
- New Marlboro, MA D+26
- Hartsville, MA D+42
- Sheffield, MA D+22
- South Sandisfield, MA D+11
- Sandisfield, MA D+8
- Monterey, MA D+55
- Berkshire Heights, MA D+61
- Belcher Square, MA D+64
Cities with Similar Populations
- Plumwood, OH R+51
- Krayn, PA R+52
- Orford, NH D+8
- Saguache, CO R+18
- Ruthville, VA D+26
- Wicomico, VA R+42
- Sara, WA R+7
- Kunesh, WI R+35
- Hunt, NY R+51
- Hustler, WI R+32
Sources and methodology
Precinct-level voting records used to fit the model come from Massachusetts Secretary of the Commonwealth, 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.