Hewlett Harbor, NY Political Map | Democrat & Republican Areas in Hewlett Harbor

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

Hewlett Harbor leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.

 

About 90% of adults in Hewlett Harbor typically vote, above the U.S. average of about 62%. Among adults in Hewlett Harbor, ~26% vote Democratic, ~64% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.

How Hewlett Harbor compares

Among cities within 25 miles, Hewlett Harbor leans more Republican than 188 of 196 neighbors.

Hewlett Harbor runs about 54 points more Republican than New York as a whole. New York leans Democratic overall, while Hewlett Harbor is one of the few Republican-leaning pockets.

Why Hewlett Harbor 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 Hewlett Harbor, not a ranked or complete list of what matters most.

Hewlett Harbor votes Republican even though it is densely developed (about 88%, far above the New York average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 90% of households in Hewlett Harbor are family households, in the top fraction of cities. Hewlett Harbor runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Hewlett Harbor, NY sits in the top tenth nationally on this measure.

Why turnout in Hewlett Harbor looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Hewlett Harbor 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 78%, about 18 points above the U.S. average of 60%. Homeowners vote more often than renters, and more than 99% of households in Hewlett Harbor own their home, about 25 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Hewlett Harbor have completed high school, above 95% 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.