Cayuga County leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 67% of adults in Cayuga County typically vote, near the U.S. average of about 62%. Among adults in Cayuga County, ~28% vote Democratic, ~39% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Cayuga County compares
Among counties within 50 miles, Cayuga County leans more Republican than 4 of 10 neighbors.
Cayuga County runs about 29 points more Republican than New York as a whole. New York leans Democratic overall, while Cayuga County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Cayuga County. The northwest side is the most Republican-leaning (R+36) and the east side is the least Republican-leaning (R+8), a spread of about 28 points.
Why Cayuga County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Cayuga County, not a ranked or complete list of what matters most.
Cayuga County votes against the grain of New York. New York leans Democratic overall, while Cayuga County runs about 29 points more Republican.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Cayuga County, NY sits in the top tenth nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Cayuga County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Cayuga County 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 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Seneca County, NY R+18
- Onondaga County, NY D+21
- Cortland County, NY R+17
- Wayne County, NY R+23
- Tompkins County, NY D+49
- Yates County, NY R+28
- Oswego County, NY R+23
- Ontario County, NY R+2
- Schuyler County, NY R+23
- Madison County, NY R+13
Counties with Similar Populations
- Chatham County, NC R+3
- Valencia County, NM R+13
- Walker County, TX R+20
- Cheshire County, NH Even
- Jackson County, GA R+54
- White County, AR R+56
- Grays Harbor County, WA R+8
- Erie County, OH R+13
- Van Buren County, MI R+20
- Cattaraugus County, NY R+29
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.