East Dedham leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 71% of adults in East Dedham typically vote, above the U.S. average of about 62%. Among adults in East Dedham, ~45% vote Democratic, ~26% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How East Dedham compares
Among neighborhoods within 5 miles, East Dedham is the least Democratic-leaning.
Politically, East Dedham sits close to the rest of Massachusetts.
Why East Dedham leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in East Dedham. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; East Dedham, Dedham, MA sits above the national average on this measure.
Why turnout in East Dedham looks the way it does
Turnout in East Dedham sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Greendale Village, Needham, MA D+42
- Milton Upper Mills, Milton, MA D+67
- Forest Hills, Jamaica Plain, MA D+68
- Oak Hill, Newton Center, MA D+45
- Dorchester Center, Boston, MA D+71
- Thompsonville, Newton, MA D+61
- Mount Bowdoin, Boston, MA D+65
- South Dorchester, Boston, MA D+57
- East Milton, Milton, MA D+31
- Brookline Village, Brookline, MA D+74
Neighborhoods with Similar Populations
- Rancho San Antonio, Oakland, CA D+50
- Meadow Wood, Aurora, CO D+12
- Southwest Garden, St. Louis, MO D+53
- Lemonwood Eastmont, Oxnard, CA D+35
- Woodcreek Oaks, Roseville, CA R+7
- Euclid-Green, Cleveland, OH D+87
- Arlington, Jacksonville, FL D+18
- Concord, Staten Island, NY D+6
- Groesbeck, Cincinnati, OH R+4
- Indian Springs, The Woodlands, TX R+34
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.