01550 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 54% of adults in 01550 typically vote, below the U.S. average of about 62%. Among adults in 01550, ~28% vote Democratic, ~26% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 01550 compares
Among zip codes within 15 miles, 01550 leans more Democratic than 19 of 22 neighbors.
01550 runs about 20 points more Republican than Massachusetts as a whole.
Politics vary noticeably by block within 01550. The east side runs the most Democratic (D+10) and the southeast side runs the most Republican (R+8), a spread of about 17 points.
Why 01550 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 01550. 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; 01550, MA sits in the top quarter nationally on this measure.
Why turnout in 01550 looks the way it does
Renters vote less often than owners. About 57% of households in 01550 rent, about 32 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 24% of adults in 01550 report food insecurity, above 87% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.