North Brookline is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 57% of adults in North Brookline typically vote, near the U.S. average of about 62%. Among adults in North Brookline, ~48% vote Democratic, ~9% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How North Brookline compares
Among neighborhoods within 5 miles, North Brookline leans more Democratic than 32 of 54 neighbors.
North Brookline runs about 44 points more Democratic than Massachusetts as a whole.
Why North Brookline 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 North Brookline, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 79% of adults in North Brookline hold a bachelor's degree, about 51 points above the U.S. average of 28%. Dense areas vote Democratic, and North Brookline sits in the top fifth on density (more than 99%, above 89% of neighborhoods). A high never-married share predicts Democratic voting, and about 48% of adults in North Brookline have never been married, above 78% of neighborhoods.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; North Brookline, Brookline, 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 North Brookline looks the way it does
Renters vote less often than owners. About 62% of households in North Brookline rent, about 37 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and North Brookline sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Coolidge Corner, Brookline, MA D+70
- Brookline Village Commercial District, Brookline, MA D+76
- Washington Square, Brookline, MA D+72
- Cambridgeport, Cambridge, MA D+77
- Brookline Village, Brookline, MA D+74
- Allston-Brighton, Brighton, MA D+63
- Fenway-Kenmore, Boston, MA D+67
- Riverside, Cambridge, MA D+78
- MIT, Cambridge, MA D+70
- Area IV, Cambridge, MA D+74
Neighborhoods with Similar Populations
- Duclay, Jacksonville, FL D+17
- Mt Vernon, Mount Vernon, VA D+35
- Sunrise, San Antonio, TX D+30
- Mission Viejo, Aurora, CO D+15
- Bloomfield, Staten Island, NY R+37
- Delhi, Santa Ana, CA D+33
- Bordeaux, Nashville, TN D+65
- Crystal City, Arlington, VA D+59
- Greenwood, Newport News, VA D+38
- South Bay, Eureka, CA D+14
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.