Weymouth Town leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 75% of adults in Weymouth Town typically vote, above the U.S. average of about 62%. Among adults in Weymouth Town, ~42% vote Democratic, ~32% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Weymouth Town compares
Among cities within 25 miles, Weymouth Town leans more Democratic than 44 of 131 neighbors.
Weymouth Town runs about 11 points more Republican than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Weymouth Town. The east side is the most Democratic-leaning (D+21) and the southwest side is the least Democratic-leaning (D+7), a spread of about 14 points.
Why Weymouth Town 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 Weymouth Town, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 80% of residents in Weymouth Town live in densely developed areas, about 43 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Weymouth Town sits in the top quarter (about 43%, above 89% of cities). A high never-married share predicts Democratic voting, and about 34% of adults in Weymouth Town have never been married, above 85% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Weymouth Town, MA sits in the top tenth nationally on this measure.
Why turnout in Weymouth Town looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Weymouth Town 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Braintree Town, MA D+11
- Hingham, MA D+28
- South Hingham, MA D+21
- Holbrook, MA D+12
- Quincy, MA D+28
- Rockland, MA R+3
- Randolph, MA D+49
- Abington, MA Even
- Hull, MA D+15
- Norwell, MA D+14
Cities with Similar Populations
- Berwyn, IL D+37
- Danville, VA D+13
- Apple Valley, MN D+18
- Sammamish, WA D+38
- Newark, OH R+27
- Kaneohe, HI D+21
- Conway, SC R+31
- Pinellas Park, FL R+12
- Bonita Springs, FL R+24
- Falls Church, VA D+42
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.