Wellington-Harrington is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.
About 55% of adults in Wellington-Harrington typically vote, below the U.S. average of about 62%. Among adults in Wellington-Harrington, ~47% vote Democratic, ~8% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Wellington-Harrington compares
Among neighborhoods within 5 miles, Wellington-Harrington leans more Democratic than 37 of 51 neighbors.
Wellington-Harrington runs about 47 points more Democratic than Massachusetts as a whole.
Why Wellington-Harrington 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 Wellington-Harrington, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Wellington-Harrington live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Wellington-Harrington sits in the top quarter (about 63%, above 84% of neighborhoods). A high never-married share predicts Democratic voting, and about 60% of adults in Wellington-Harrington have never been married, above 93% of neighborhoods.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Wellington-Harrington, Cambridge, MA sits in the top tenth nationally on this measure.
Why turnout in Wellington-Harrington looks the way it does
Renters vote less often than owners. About 73% of households in Wellington-Harrington rent, about 48 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Wellington-Harrington sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Area IV, Cambridge, MA D+74
- Union Square, Somerville, MA D+75
- East Cambridge, Cambridge, MA D+65
- Mid-Cambridge, Cambridge, MA D+77
- MIT, Cambridge, MA D+70
- Cambridgeport, Cambridge, MA D+77
- Riverside, Cambridge, MA D+78
- Aggasiz-Harvard, Cambridge, MA D+78
- East Somerville, Somerville, MA D+59
- Spring Hill, Somerville, MA D+75
Neighborhoods with Similar Populations
- South Side, West Palm Beach, FL Even
- Disston Heights, St. Petersburg, FL Even
- Southwest Hills, Portland, OR D+72
- Greenville, Scarsdale, NY D+27
- Tremont, Cleveland, OH D+55
- Central Business District, Orlando, FL D+30
- Elmwood Area, Abilene, TX R+25
- Bryant, Buffalo, NY D+68
- Summit Hill, St. Paul, MN D+71
- Richmond Factory, Augusta, GA D+53
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.