St. Bonaventure leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 47% of adults in St. Bonaventure typically vote, below the U.S. average of about 62%. Among adults in St. Bonaventure, ~21% vote Democratic, ~26% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How St. Bonaventure compares
Among cities within 25 miles, St. Bonaventure leans more Republican than 3 of 98 neighbors.
St. Bonaventure runs about 22 points more Republican than New York as a whole. New York leans Democratic overall, while St. Bonaventure is one of the few Republican-leaning pockets.
Why St. Bonaventure 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 St. Bonaventure, not a ranked or complete list of what matters most.
St. Bonaventure votes Republican even though it is densely developed (about 34%, above 82% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here. St. Bonaventure runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.
Homeownership and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; St. Bonaventure, NY sits in the bottom quarter nationally on this measure.
Why turnout in St. Bonaventure looks the way it does
Renters vote less often than owners. About 33% of households in St. Bonaventure rent, about 8 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Allegany, NY R+23
- Homer Hill, NY R+37
- Olean, NY R+9
- Knapp Creek, NY R+38
- Chipmunk, NY R+39
- Vandalia, NY R+32
- Westons Mills, NY R+35
- Gilmore, PA R+51
- Derrick City, PA R+47
- Indian Crossing, PA R+60
Cities with Similar Populations
- New Marshfield, OH R+35
- Smock, PA R+45
- Register, GA R+34
- Buckfield, ME R+34
- Krotz Springs, LA R+82
- Millfield, OH R+11
- Currie, NC R+12
- Bally, PA R+24
- Home, PA R+60
- Scott, AR R+12
Sources and methodology
Precinct-level voting records used to fit the model come from New York State Board of 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.