Broome County is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 66% of adults in Broome County typically vote, near the U.S. average of about 62%. Among adults in Broome County, ~34% vote Democratic, ~32% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Broome County compares
Among counties within 50 miles, Broome County leans more Democratic than 9 of 10 neighbors.
Broome County runs about 9 points more Republican than New York as a whole.
Politics vary noticeably by city within Broome County. The south side runs the most Democratic (D+30) and the northeast side runs the most Republican (R+26), a spread of about 56 points.
Why Broome County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Broome County. The lean here lands roughly where demographic data alone would predict.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Broome County, NY sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Broome County looks the way it does
Turnout in Broome County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Tioga County, NY R+27
- Susquehanna County, PA R+45
- Chenango County, NY R+36
- Cortland County, NY R+17
- Tompkins County, NY D+49
- Bradford County, PA R+49
- Wyoming County, PA R+41
- Chemung County, NY R+14
- Delaware County, NY R+17
- Lackawanna County, PA Even
Counties with Similar Populations
- Deschutes County, OR D+5
- Racine County, WI D+7
- Minnehaha County, SD R+10
- St. Louis County, MN D+12
- Hawaii County, HI D+20
- Sangamon County, IL Even
- Sumner County, TN R+40
- Trumbull County, OH R+17
- Hernando County, FL R+33
- Hall County, GA R+32
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.