01702 leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 48% of adults in 01702 typically vote, below the U.S. average of about 62%. Among adults in 01702, ~31% vote Democratic, ~16% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How 01702 compares
Among zip codes within 15 miles, 01702 leans more Democratic than 32 of 67 neighbors.
01702 runs about 7 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by block within 01702. The northeast side is the most Democratic-leaning (D+39) and the southeast side is the least Democratic-leaning (D+27), a spread of about 12 points.
Why 01702 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 01702, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 84% of residents in 01702 live in densely developed areas, about 47 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 01702 sits in the top quarter (about 37%, above 78% of zip codes). A high never-married share predicts Democratic voting, and about 43% of adults in 01702 have never been married, above 90% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 01702, MA sits in the top tenth nationally on this measure.
Why turnout in 01702 looks the way it does
Renters vote less often than owners. About 64% of households in 01702 rent, about 39 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 21% of adults in 01702 report food insecurity, above 82% 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.