Hanover is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About more than 99% of adults in Hanover typically vote, above the U.S. average of about 62%. Among adults in Hanover, ~49% vote Democratic, ~51% Republican, and ~0% don't vote. The map below shows estimated turnout by block group.
How Hanover compares
Among cities within 25 miles, Hanover sits roughly in the middle of the political spectrum, with 85 neighbors leaning further in the place's direction and 29 leaning the other way.
Hanover runs about 26 points more Republican than Massachusetts as a whole. Massachusetts leans Democratic overall, while Hanover sits closer to the political middle.
Politics vary noticeably by neighborhood within Hanover. The west side runs the most Democratic (D+4) and the southwest side runs the most Republican (R+8), a spread of about 12 points.
Why Hanover 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 Hanover, not a ranked or complete list of what matters most.
Hanover votes against the grain of Massachusetts. Massachusetts leans Democratic overall, while Hanover runs about 26 points more Republican.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Hanover, MA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Hanover looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Hanover 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 75%, about 15 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rockland, MA R+3
- Norwell, MA D+14
- Standish, MA D+16
- Hanson, MA R+9
- Monponsett, MA R+8
- South Hingham, MA D+21
- Abington, MA Even
- Pembroke, MA R+3
- Whitman, MA R+4
- Marshfield Hills, MA D+7
Cities with Similar Populations
- Town and Country, MO R+3
- East Cleveland, OH D+87
- Glens Falls, NY D+17
- New Territory, TX Even
- Duncan, SC R+25
- Galax, VA R+50
- Lindenhurst, IL D+4
- Marshall, MN R+15
- Stanley, NC R+43
- Hillcrest Heights, MD D+87
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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.