02452 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 65% of adults in 02452 typically vote, near the U.S. average of about 62%. Among adults in 02452, ~45% vote Democratic, ~19% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 02452 compares
Among zip codes within 15 miles, 02452 leans more Democratic than 35 of 108 neighbors.
02452 runs about 15 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by block within 02452. The southwest side is the most Democratic-leaning (D+46) and the southeast side is the least Democratic-leaning (D+31), a spread of about 15 points.
Why 02452 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 02452, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 84% of residents in 02452 live in densely developed areas, about 48 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 02452 sits in the top quarter (about 54%, above 91% of zip codes). A high never-married share predicts Democratic voting, and about 52% of adults in 02452 have never been married, above 96% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 02452, 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 02452 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 02452 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 68%, about 8 points above the U.S. average of 60%. 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.