Campello leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 54% of adults in Campello typically vote, below the U.S. average of about 62%. Among adults in Campello, ~39% vote Democratic, ~16% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Campello compares
Campello runs about 16 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by block within Campello. The north side is the most Democratic-leaning (D+47) and the west side is the least Democratic-leaning (D+33), a spread of about 14 points.
Why Campello leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Campello. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; Campello, Brockton, MA sits in the bottom quarter nationally on this measure.
Why turnout in Campello looks the way it does
Turnout in Campello sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Montello, Brockton, MA D+44
- Burrage, Hanson, MA Even
- Whittenton, Taunton, MA Even
- East Milton, Milton, MA D+31
- Milton Upper Mills, Milton, MA D+67
- East Dedham, Dedham, MA D+28
- Neponset, Boston, MA D+37
- Dorchester Center, Boston, MA D+71
- South Dorchester, Boston, MA D+57
- Fields Corner, Boston, MA D+49
Neighborhoods with Similar Populations
- Midland Beach, Staten Island, NY R+33
- Springlake-University Terrace, Shreveport, LA R+12
- Mid City North, Baton Rouge, LA D+84
- Battle Creek, St. Paul, MN D+39
- Northampton, Hampton, VA D+35
- Washington Heights, Chicago, IL D+85
- Brentwood, Los Angeles, CA D+27
- Prospect Hill, San Antonio, TX D+39
- Upper Roseville, Newark, NJ D+23
- West Park, Irvine, 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.