02199 is a Democratic stronghold. About 77% of voters here vote Democratic and 23% Republican.
About 61% of adults in 02199 typically vote, near the U.S. average of about 62%. Among adults in 02199, ~47% vote Democratic, ~14% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 02199 compares
Among zip codes within 15 miles, 02199 leans more Democratic than 66 of 111 neighbors.
02199 runs about 29 points more Democratic than Massachusetts as a whole.
Why 02199 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 02199, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 94% of adults in 02199 hold a bachelor's degree, about 65 points above the U.S. average of 28%. Dense areas vote Democratic, and 02199 sits in the top fifth on density (more than 99%, in the top fraction of zip codes). A high never-married share predicts Democratic voting, and about 52% of adults in 02199 have never been married, above 96% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 02199, MA sits in the top tenth nationally on this measure.
Why turnout in 02199 looks the way it does
Renters vote less often than owners. More than 99% of households in 02199 rent, about 74 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 02199 sits in the top quarter on routine-care measures. 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.