Marshfield Hills leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About more than 99% of adults in Marshfield Hills typically vote, above the U.S. average of about 62%. Among adults in Marshfield Hills, ~60% vote Democratic, ~52% Republican, and ~-12% don't vote. The map below shows estimated turnout by block group.
How Marshfield Hills compares
Among cities within 25 miles, Marshfield Hills leans more Democratic than 34 of 79 neighbors.
Marshfield Hills runs about 18 points more Republican than Massachusetts as a whole.
Why Marshfield Hills 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 Marshfield Hills, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 57% of adults in Marshfield Hills hold a bachelor's degree, about 29 points above the U.S. average of 28%. Density and white share pull in opposite directions and roughly cancel in Marshfield Hills.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Marshfield Hills, MA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Marshfield Hills looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marshfield Hills 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 77%, about 17 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Marshfield Hills own their home, about 20 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in Marshfield Hills have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rivermoor, MA D+16
- Humarock, MA Even
- Marshfield, MA D+8
- Standish, MA D+16
- Scituate, MA D+18
- Ocean Bluff-Brant Rock, MA D+5
- Norwell, MA D+14
- North Scituate, MA D+21
- Pembroke, MA R+3
- Hanover, MA Even
Cities with Similar Populations
- Deerwood, MN R+27
- Pineville, MO R+68
- Ogden, IA R+38
- Pine Beach, NJ R+22
- Greenville, VA R+56
- Henry, IL R+31
- Fall River, WI R+22
- Lakefield, MN R+44
- Silver Creek, MS D+8
- Nineveh, IN R+51
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.