Aggasiz-Harvard is a Democratic stronghold. About 89% of voters here vote Democratic and 11% Republican.
About 51% of adults in Aggasiz-Harvard typically vote, below the U.S. average of about 62%. Among adults in Aggasiz-Harvard, ~45% vote Democratic, ~6% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How Aggasiz-Harvard compares
Among neighborhoods within 5 miles, Aggasiz-Harvard leans more Democratic than 50 of 52 neighbors.
Aggasiz-Harvard runs about 53 points more Democratic than Massachusetts as a whole.
Why Aggasiz-Harvard 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 Aggasiz-Harvard, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 86% of adults in Aggasiz-Harvard hold a bachelor's degree, about 57 points above the U.S. average of 28%. Dense areas vote Democratic, and Aggasiz-Harvard sits in the top fifth on density (more than 99%, above 89% of neighborhoods). A high never-married share predicts Democratic voting, and about 66% of adults in Aggasiz-Harvard have never been married, above 96% of neighborhoods.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Aggasiz-Harvard, Cambridge, 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 Aggasiz-Harvard looks the way it does
Renters vote less often than owners. About 74% of households in Aggasiz-Harvard rent, about 49 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Aggasiz-Harvard sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Mid-Cambridge, Cambridge, MA D+77
- Riverside, Cambridge, MA D+78
- Avon Hill, Cambridge, MA D+79
- Spring Hill, Somerville, MA D+75
- Union Square, Somerville, MA D+75
- Neighborhood Nine, Cambridge, MA D+78
- West Cambridge, Cambridge, MA D+78
- Wellington-Harrington, Cambridge, MA D+72
- Area IV, Cambridge, MA D+74
- Cambridgeport, Cambridge, MA D+77
Neighborhoods with Similar Populations
- Downtown Brownsville, Brownsville, TX D+15
- Annandale-on-Hudson, Staten Island, NY R+55
- Lincoln Village, Milwaukee, WI D+42
- Oak Creek, Irvine, CA D+12
- Brick Church Bellshire, Nashville, TN D+71
- Mendenhall Valley, Juneau, AK D+10
- College Glen, Sacramento, CA D+31
- Rose Park, Salt Lake City, UT D+30
- Riverview, Kansas City, KS D+37
- Washington Square, Brookline, MA D+72
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.