Peru is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 94% of adults in Peru typically vote, above the U.S. average of about 62%. Among adults in Peru, ~45% vote Democratic, ~49% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Peru compares
Among cities within 25 miles, Peru leans more Republican than 86 of 108 neighbors.
Peru runs about 30 points more Republican than Massachusetts as a whole. Massachusetts leans Democratic overall, while Peru is one of the few Republican-leaning pockets.
Why Peru 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 Peru, not a ranked or complete list of what matters most.
Peru votes against the grain of Massachusetts. Massachusetts leans Democratic overall, while Peru runs about 30 points more Republican.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Peru, MA sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Peru looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Peru 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 97% of households in Peru own their home, about 22 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hinsdale, MA Even
- Windsor, MA D+12
- Washington, MA D+17
- Middlefield, MA D+26
- Worthington, MA D+26
- Dalton, MA D+18
- Cummington, MA D+36
- Plainfield, MA D+32
- Berkshire, MA D+10
- Swift River, MA D+34
Cities with Similar Populations
- Adamant, VT D+23
- Mather, PA R+47
- Woodbury, VT D+11
- Toland, PA R+40
- Paris, ID R+74
- Waldorf, MN R+51
- Summit, NY R+34
- East Arcadia, NC D+57
- Atlantic, NC R+52
- Tuleta Hills, WI R+40
All Local Stats
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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.