St. Johnsville leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 62% of adults in St. Johnsville typically vote, near the U.S. average of about 62%. Among adults in St. Johnsville, ~18% vote Democratic, ~44% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How St. Johnsville compares
Among cities within 25 miles, St. Johnsville leans more Republican than 54 of 107 neighbors.
St. Johnsville runs about 54 points more Republican than New York as a whole. New York leans Democratic overall, while St. Johnsville is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within St. Johnsville. The north side is the most Republican-leaning (R+51) and the southwest side is the least Republican-leaning (R+36), a spread of about 15 points.
Why St. Johnsville 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. Johnsville, not a ranked or complete list of what matters most.
St. Johnsville votes against the grain of New York. New York leans Democratic overall, while St. Johnsville runs about 54 points more Republican.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; St. Johnsville, NY sits in the bottom quarter nationally on this measure.
Why turnout in St. Johnsville looks the way it does
Areas with low high-school completion turn out at lower rates. About 84% of adults in St. Johnsville have completed high school, about 6 points below the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Kringsbush, NY R+47
- Lassellsville, NY R+52
- Mindenville, NY R+46
- Fort Plain, NY R+38
- Ingham Mills, NY R+51
- Nelliston, NY R+46
- Scotchbrush, NY R+51
- Hallsville, NY R+48
- Stone Arabia, NY R+43
- Indian Castle, NY R+46
Cities with Similar Populations
- Pleasant Hills, MD R+17
- Pierceton, IN R+54
- Janesville, MN R+35
- Virden, IL R+39
- Grape Creek, TX R+71
- New Paris, OH R+59
- Osseo, MN D+8
- New Salisbury, IN R+50
- Clifton, TN R+63
- Mechanicsburg, OH R+54
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.