Sleepy Hollow, NY Political Map | Democrat & Republican Areas in Sleepy Hollow

By the BestNeighborhood data science team. Last updated May 2026.

Sleepy Hollow leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.

 

About 44% of adults in Sleepy Hollow typically vote, below the U.S. average of about 62%. Among adults in Sleepy Hollow, ~29% vote Democratic, ~15% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.

How Sleepy Hollow compares

Among cities within 25 miles, Sleepy Hollow leans more Democratic than 243 of 271 neighbors.

Sleepy Hollow runs about 17 points more Democratic than New York as a whole.

Politics vary noticeably by neighborhood within Sleepy Hollow. The west side is the most Democratic-leaning (D+48) and the southeast side is the least Democratic-leaning (D+21), a spread of about 27 points.

Why Sleepy Hollow 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 Sleepy Hollow, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 58% of residents in Sleepy Hollow live in densely developed areas, about 22 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Sleepy Hollow sits in the top quarter (about 42%, above 89% of cities). A high never-married share predicts Democratic voting, and about 40% of adults in Sleepy Hollow have never been married, above 93% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Sleepy Hollow, NY sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Sleepy Hollow looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Sleepy Hollow is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 65% of households in Sleepy Hollow rent, compared to around 27% in nearby cities. High food insecurity lines up with lower turnout, and about 20% of adults in Sleepy Hollow report food insecurity, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.

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.