Milton Upper Mills is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 77% of adults in Milton Upper Mills typically vote, above the U.S. average of about 62%. Among adults in Milton Upper Mills, ~64% vote Democratic, ~13% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Milton Upper Mills compares
Among neighborhoods within 5 miles, Milton Upper Mills leans more Democratic than 9 of 11 neighbors.
Milton Upper Mills runs about 42 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by block within Milton Upper Mills. The west side is the most Democratic-leaning (D+73) and the southeast side is the least Democratic-leaning (D+49), a spread of about 24 points.
Why Milton Upper Mills leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Milton Upper Mills, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 66% of adults in Milton Upper Mills hold a bachelor's degree, about 38 points above the U.S. average of 28%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Milton Upper Mills, Milton, MA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Milton Upper Mills looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Milton Upper Mills 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 75%, about 15 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Dorchester Center, Boston, MA D+71
- East Milton, Milton, MA D+31
- South Dorchester, Boston, MA D+57
- Forest Hills, Jamaica Plain, MA D+68
- Neponset, Boston, MA D+37
- Mount Bowdoin, Boston, MA D+65
- Fields Corner, Boston, MA D+49
- East Dedham, Dedham, MA D+28
- Roxbury, Boston, MA D+65
- North Dorchester, Boston, MA D+59
Neighborhoods with Similar Populations
- West Memorial, Katy, TX R+16
- The Avenues, York, PA D+30
- Roselawn, Cincinnati, OH D+78
- North East, Pasadena, CA D+24
- Heights, Little Rock, AR D+19
- Northside, Fort Wayne, IN D+17
- West End, Cincinnati, OH D+75
- Pueblo, Wichita, KS D+22
- Pullman, Chicago, IL D+82
- Ball Square, Somerville, MA D+70
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.