Buzzards Bay leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 83% of adults in Buzzards Bay typically vote, above the U.S. average of about 62%. Among adults in Buzzards Bay, ~44% vote Democratic, ~39% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Buzzards Bay compares
Among cities within 25 miles, Buzzards Bay leans more Democratic than 42 of 87 neighbors.
Buzzards Bay runs about 19 points more Republican than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Buzzards Bay. The east side runs the most Democratic (D+16) and the north side runs the most Republican (Even), a spread of about 17 points.
Why Buzzards Bay 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 Buzzards Bay, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 57% of residents in Buzzards Bay live in densely developed areas, about 21 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Buzzards Bay sits in the top quarter (about 39%, above 86% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Buzzards Bay, MA sits in the top quarter nationally on this measure.
Why turnout in Buzzards Bay looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Buzzards Bay 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 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Monument Beach, MA D+12
- Bournedale, MA D+4
- Onset, MA D+8
- Pocasset, MA D+17
- East Wareham, MA R+4
- White Island Shores, MA R+4
- Sagamore, MA D+13
- Sagamore Highlands, MA D+19
- Sagamore Beach, MA D+9
Cities with Similar Populations
- Wauchula, FL R+41
- Whitestown, IN R+9
- California, MD R+3
- Boyds, MD D+40
- Greenbrier, TN R+54
- Piedmont, OK R+50
- Manchester, KY R+69
- Floyds Knobs, IN R+32
- Sunbury, OH R+29
- Florence, OR D+12
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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.