Sutton is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 92% of adults in Sutton typically vote, above the U.S. average of about 62%. Among adults in Sutton, ~48% vote Democratic, ~44% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Sutton compares
Among cities within 25 miles, Sutton leans more Democratic than 58 of 123 neighbors.
Sutton runs about 21 points more Republican than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Sutton. The northwest side runs the most Democratic (D+11) and the southeast side runs the most Republican (Even), a spread of about 12 points.
Why Sutton leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Sutton. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Sutton, MA sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Sutton looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sutton 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%. High high-school completion lines up with higher turnout, and about 96% of adults in Sutton have completed high school, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Millbury, MA Even
- South Grafton, MA D+11
- Whitinsville, MA Even
- Northbridge, MA Even
- Grafton, MA D+13
- Linwood, MA R+6
- Douglas, MA R+9
- North Grafton, MA D+11
- South Sutton, MA R+20
- Auburn, MA D+6
Cities with Similar Populations
- Socorro, NM D+4
- Indian Orchard, MA D+25
- New Hudson, MI R+14
- Clinton, OK R+39
- Effingham, SC R+20
- Leonia, NJ D+23
- Firebaugh, CA D+8
- Corona de Tucson, AZ R+23
- Bullard, TX R+63
- Sharon Hill, PA D+75
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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.