01225 is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 80% of adults in 01225 typically vote, above the U.S. average of about 62%. Among adults in 01225, ~39% vote Democratic, ~41% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 01225 compares
Among zip codes within 15 miles, 01225 sits roughly in the middle of the political spectrum, with 16 neighbors leaning further in the place's direction and 6 leaning the other way.
01225 runs about 27 points more Republican than Massachusetts as a whole. Massachusetts leans Democratic overall, while 01225 sits closer to the political middle.
Why 01225 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 01225, not a ranked or complete list of what matters most.
01225 votes against the grain of Massachusetts. Massachusetts leans Democratic overall, while 01225 runs about 27 points more Republican.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 01225, MA sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 01225 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 01225 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 89% of households in 01225 own their home, 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.