Barnstable Town leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 64% of adults in Barnstable Town typically vote, near the U.S. average of about 62%. Among adults in Barnstable Town, ~38% vote Democratic, ~26% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Barnstable Town compares
Among cities within 25 miles, Barnstable Town leans more Democratic than 32 of 64 neighbors.
Barnstable Town runs about 8 points more Republican than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Barnstable Town. The east side is the most Democratic-leaning (D+27) and the west side is the least Democratic-leaning (D+13), a spread of about 14 points.
Why Barnstable 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 Barnstable Town, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in Barnstable Town live in densely developed areas, about 56 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 31% of adults in Barnstable Town have never been married, above 76% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Barnstable Town, MA sits in the top tenth nationally on this measure.
Why turnout in Barnstable Town looks the way it does
Turnout in Barnstable Town 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 Cities
- Hyannis Port, MA D+12
- Centerville, MA D+11
- Barnstable, MA D+16
- West Yarmouth, MA D+11
- Osterville, MA D+22
- Yarmouth Port, MA D+20
- West Barnstable, MA D+9
- South Yarmouth, MA D+19
- Marstons Mills, MA D+9
- West Dennis, MA D+23
Cities with Similar Populations
- Selma, NC R+12
- Comstock Park, MI R+6
- Smithfield, VA R+7
- Spencerport, NY R+14
- Westwood, MA D+28
- Wyckoff, NJ R+5
- Guntersville, AL R+64
- Hastings, MI R+30
- West Henrietta, NY D+22
- Taylorville, IL R+40
All Local Stats
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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.