Newtonville is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.
About 77% of adults in Newtonville typically vote, above the U.S. average of about 62%. Among adults in Newtonville, ~62% vote Democratic, ~15% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Newtonville compares
Among cities within 25 miles, Newtonville leans more Democratic than 156 of 165 neighbors.
Newtonville runs about 38 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Newtonville. The east side is the most Democratic-leaning (D+68) and the northeast side is the least Democratic-leaning (D+38), a spread of about 30 points.
Why Newtonville 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 Newtonville, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 81% of adults in Newtonville hold a bachelor's degree, about 52 points above the U.S. average of 28%. Dense areas vote Democratic, and Newtonville sits in the top fifth on density (about 99%, in the top fraction of cities). A high never-married share predicts Democratic voting, and about 33% of adults in Newtonville have never been married, above 84% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Newtonville, MA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Newtonville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Newtonville 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Newtonville have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Newton, MA D+58
- Watertown Town, MA D+57
- Auburndale, MA D+59
- Waban, MA D+57
- Newton Center, MA D+60
- Waltham, MA D+43
- Newton Highlands, MA D+62
- Newton Upper Falls, MA D+59
- Newton Lower Falls, MA D+54
- Brighton, MA D+61
Cities with Similar Populations
- Alexandria, IN R+45
- Maurice, LA R+69
- Dublin, VA R+44
- Waterloo, NY R+25
- Roxborough Park, CO R+13
- Connellys Springs, NC R+59
- Wilmer, AL R+77
- Middlebury, VT D+47
- West Athens, CA D+66
- Robinson, IL R+41
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.