Sparkill is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 86% of adults in Sparkill typically vote, above the U.S. average of about 62%. Among adults in Sparkill, ~45% vote Democratic, ~41% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Sparkill compares
Among cities within 25 miles, Sparkill leans more Democratic than 166 of 301 neighbors.
Sparkill runs about 9 points more Republican than New York as a whole.
Politics vary noticeably by neighborhood within Sparkill. The east side runs the most Democratic (D+12) and the west side runs the most Republican (Even), a spread of about 13 points.
Why Sparkill leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Sparkill. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Sparkill, NY sits in the top quarter nationally on this measure.
Why turnout in Sparkill looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sparkill 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 99% of households in Sparkill own their home, compared to around 83% in nearby cities. High high-school completion lines up with higher turnout, and about 98% of adults in Sparkill have completed high school, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Palisades, NY D+7
- Piermont, NY D+31
- Tappan, NY Even
- Rockleigh, NJ R+11
- Northvale, NJ R+9
- Orangeburg, NY R+5
- Norwood, NJ Even
- Grand View-on-Hudson, NY D+39
- Old Tappan, NJ R+8
- Blauvelt, NY R+13
Cities with Similar Populations
- Powells Crossroads, TN R+71
- University Heights, IA D+61
- Cat Spring, TX R+65
- Trail, OR R+39
- Belgrade, MN R+56
- Muir, MI R+48
- Big Horn, WY R+56
- Paw Paw, IL R+35
- New Bohemia, VA R+21
- Riceboro, GA D+45
All Local Stats
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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.