Milton, MA Political Map | Democrat & Republican Areas in Milton

By the BestNeighborhood data science team. Last updated May 2026.

Milton leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.

 

About 87% of adults in Milton typically vote, above the U.S. average of about 62%. Among adults in Milton, ~63% vote Democratic, ~24% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.

How Milton compares

Among cities within 25 miles, Milton leans more Democratic than 125 of 155 neighbors.

Milton runs about 20 points more Democratic than Massachusetts as a whole.

Politics vary noticeably by neighborhood within Milton. The northwest side is the most Democratic-leaning (D+71) and the southeast side is the least Democratic-leaning (D+24), a spread of about 47 points.

Why Milton leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Milton, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 73% of adults in Milton hold a bachelor's degree, about 45 points above the U.S. average of 28%. Dense areas vote Democratic, and Milton sits in the top fifth on density (about 81%, above 94% of cities). A high never-married share predicts Democratic voting, and about 33% of adults in Milton have never been married, above 84% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Milton, MA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Milton looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Milton 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 76%, about 16 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Milton have completed high school, above 84% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.