Sidney Center leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 80% of adults in Sidney Center typically vote, above the U.S. average of about 62%. Among adults in Sidney Center, ~26% vote Democratic, ~55% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Sidney Center compares
Among cities within 25 miles, Sidney Center leans more Republican than 60 of 91 neighbors.
Sidney Center runs about 49 points more Republican than New York as a whole. New York leans Democratic overall, while Sidney Center is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Sidney Center. The west side is the most Republican-leaning (R+48) and the northeast side is the least Republican-leaning (R+25), a spread of about 24 points.
Why Sidney Center 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 Sidney Center, not a ranked or complete list of what matters most.
Sidney Center votes against the grain of New York. New York leans Democratic overall, while Sidney Center runs about 49 points more Republican.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Sidney Center, NY 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 Sidney Center looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sidney Center 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 57%, below 70% of cities. Homeowners vote more often than renters, and about 92% of households in Sidney Center own their home, about 17 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Franklin Depot, NY R+29
- Ivanhoe, NY R+46
- Youngs, NY R+32
- Unadilla, NY R+29
- Trout Creek, NY R+42
- Masonville, NY R+46
- Hawleys, NY R+37
- Franklin, NY R+22
- Sidney, NY R+13
Cities with Similar Populations
- Lilydale, MN D+27
- Finchville, KY R+43
- Shartlesville, PA R+50
- Dameron, MD R+12
- Fountain Run, KY R+71
- Graeagle, CA R+16
- Rushford Village, MN R+28
- Reardan, WA R+56
- Hartwick, NY R+7
- Astoria, IL R+57
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.