02702 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 85% of adults in 02702 typically vote, above the U.S. average of about 62%. Among adults in 02702, ~37% vote Democratic, ~48% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 02702 compares
Among zip codes within 15 miles, 02702 leans more Republican than 29 of 36 neighbors.
02702 runs about 36 points more Republican than Massachusetts as a whole. Massachusetts leans Democratic overall, while 02702 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 02702. The west side is the most split-leaning (R+17) and the southwest side is the least split-leaning (Even), a spread of about 15 points.
Why 02702 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 02702, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in 02702 drive to work alone, about 11 points above the U.S. average of 74%. 02702 runs against the grain of Massachusetts, a Republican-leaning pocket in a Democratic-leaning state.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; 02702, MA sits in the top tenth nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 02702 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 02702 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 73%, about 13 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.