Hadley is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 81% of adults in Hadley typically vote, above the U.S. average of about 62%. Among adults in Hadley, ~62% vote Democratic, ~19% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Hadley compares
Among cities within 25 miles, Hadley leans more Democratic than 100 of 110 neighbors.
Hadley runs about 27 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by neighborhood within Hadley. The east side is the most Democratic-leaning (D+65) and the south side is the least Democratic-leaning (D+38), a spread of about 27 points.
Why Hadley 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 Hadley, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 58% of adults in Hadley hold a bachelor's degree, about 30 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 41% of adults in Hadley have never been married, above 94% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Hadley, 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 Hadley looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Hadley 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 98% of adults in Hadley have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Amherst Center, MA D+72
- Amherst, MA D+72
- Hatfield, MA D+33
- South Amherst, MA D+76
- Northampton, MA D+79
- West Hatfield, MA D+34
- Factory Hollow, MA D+54
- Florence, MA D+66
- West Pelham, MA D+58
- Granby, MA Even
Cities with Similar Populations
- Monson, MA R+16
- Falfurrias, TX D+7
- Hillsville, VA R+63
- Lone Grove, OK R+65
- Alvaton, KY R+43
- Plainsboro, NJ D+34
- Magnolia, MS D+12
- Calverton, MD D+62
- Sullivan City, TX R+7
- Flora, IL R+56
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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.