Yarmouth Port, MA Political Map | Democrat & Republican Areas in Yarmouth Port

By the BestNeighborhood data science team. Last updated May 2026.

Yarmouth Port leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.

 

About 90% of adults in Yarmouth Port typically vote, above the U.S. average of about 62%. Among adults in Yarmouth Port, ~54% vote Democratic, ~36% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.

How Yarmouth Port compares

Among cities within 25 miles, Yarmouth Port leans more Democratic than 32 of 58 neighbors.

Yarmouth Port runs about 5 points more Republican than Massachusetts as a whole.

Politics vary noticeably by neighborhood within Yarmouth Port. The north side is the most Democratic-leaning (D+31) and the east side is the least Democratic-leaning (D+13), a spread of about 18 points.

Why Yarmouth Port 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 Yarmouth Port, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 54% of adults in Yarmouth Port hold a bachelor's degree, about 25 points above the U.S. average of 28%. Dense areas vote Democratic, and Yarmouth Port sits in the top fifth on density (about 56%, above 89% of cities).

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Yarmouth Port, MA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Yarmouth Port looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Yarmouth Port 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 77%, about 17 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Yarmouth Port own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Yarmouth Port have completed high school, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.

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.