Dorchester Center is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.
About 44% of adults in Dorchester Center typically vote, below the U.S. average of about 62%. Among adults in Dorchester Center, ~38% vote Democratic, ~6% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.
How Dorchester Center compares
Among neighborhoods within 5 miles, Dorchester Center leans more Democratic than 21 of 24 neighbors.
Dorchester Center runs about 46 points more Democratic than Massachusetts as a whole.
Why Dorchester Center 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 Dorchester Center, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Dorchester Center live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 51% of adults in Dorchester Center have never been married, above 83% of neighborhoods.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Dorchester Center, Boston, MA sits in the top tenth nationally on this measure.
Why turnout in Dorchester Center looks the way it does
High-crime urban areas turn out at lower rates, mostly because the housing stress common in those areas makes voting harder. Dorchester Center sits in the top 15% nationally on a violent-crime measure. See CrimeGrade for more details. High food insecurity lines up with lower turnout, and about 31% of adults in Dorchester Center report food insecurity, above 84% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- South Dorchester, Boston, MA D+57
- Mount Bowdoin, Boston, MA D+65
- Fields Corner, Boston, MA D+49
- Neponset, Boston, MA D+37
- Forest Hills, Jamaica Plain, MA D+68
- North Dorchester, Boston, MA D+59
- Milton Upper Mills, Milton, MA D+67
- Roxbury, Boston, MA D+65
- East Milton, Milton, MA D+31
- Nubian Square, Boston, MA D+65
Neighborhoods with Similar Populations
- Seacliff, San Francisco, CA D+59
- University Place, Lincoln, NE D+13
- Ocean Beach, San Diego, CA D+43
- Pawtucketville, Lowell, MA D+15
- The Acre, Lowell, MA D+42
- Ludlow, Yonkers, NY D+31
- Gresham-Rockwood, Gresham, OR D+24
- Estates Of Highland Creek, Katy, TX D+18
- Riverwest, Milwaukee, WI D+70
- Martha Lake, Lynnwood, WA D+24
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.