Oyster Bay Cove, NY Political Map | Democrat & Republican Areas in Oyster Bay Cove

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

Oyster Bay Cove leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.

 

About 87% of adults in Oyster Bay Cove typically vote, above the U.S. average of about 62%. Among adults in Oyster Bay Cove, ~36% vote Democratic, ~51% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.

How Oyster Bay Cove compares

Among cities within 25 miles, Oyster Bay Cove leans more Republican than 188 of 241 neighbors.

Oyster Bay Cove runs about 31 points more Republican than New York as a whole. New York leans Democratic overall, while Oyster Bay Cove is one of the few Republican-leaning pockets.

Why Oyster Bay Cove 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 Oyster Bay Cove, not a ranked or complete list of what matters most.

Oyster Bay Cove votes Republican even though it is densely developed (about 57%, well 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 88% of households in Oyster Bay Cove are family households, above 98% of cities. Oyster Bay Cove runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Oyster Bay Cove, NY sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Oyster Bay Cove looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Oyster Bay Cove 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 93% of households in Oyster Bay Cove own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in Oyster Bay Cove have completed high school, in the top fraction 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.