Chautauqua County leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 66% of adults in Chautauqua County typically vote, near the U.S. average of about 62%. Among adults in Chautauqua County, ~28% vote Democratic, ~38% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Chautauqua County compares
Among counties within 50 miles, Chautauqua County leans more Republican than 1 of 4 neighbors.
Chautauqua County runs about 28 points more Republican than New York as a whole. New York leans Democratic overall, while Chautauqua County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Chautauqua County. The north side runs the most Democratic (D+4) and the southwest side runs the most Republican (R+47), a spread of about 50 points.
Why Chautauqua 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 Chautauqua County, not a ranked or complete list of what matters most.
Chautauqua County votes Republican even though it is densely developed (about 47%, modestly above the New York average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Chautauqua County runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Chautauqua County, NY sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Chautauqua County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Chautauqua 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 59%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Warren County, PA R+41
- Cattaraugus County, NY R+29
- Erie County, PA Even
- McKean County, PA R+43
- Erie County, NY D+15
- Forest County, PA R+24
- Crawford County, PA R+39
- Venango County, PA R+42
- Wyoming County, NY R+39
- Niagara County, NY R+10
Counties with Similar Populations
- Sebastian County, AR R+29
- Linn County, OR R+25
- Clarke County, GA D+35
- Bossier Parish, LA R+30
- Fayette County, PA R+36
- Ascension Parish, LA R+32
- Hunterdon County, NJ R+6
- Berkshire County, MA D+27
- Wichita County, TX R+31
- Skagit County, WA D+4
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.