Old Westbury, NY Political Map | Democrat & Republican Areas in Old Westbury

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

Old Westbury is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.

 

About 67% of adults in Old Westbury typically vote, near the U.S. average of about 62%. Among adults in Old Westbury, ~33% vote Democratic, ~34% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.

How Old Westbury compares

Among cities within 25 miles, Old Westbury sits roughly in the middle of the political spectrum, with 128 neighbors leaning further in the place's direction and 123 leaning the other way.

Old Westbury runs about 12 points more Republican than New York as a whole.

Politics vary noticeably by neighborhood within Old Westbury. The northeast side runs the most Democratic (D+29) and the north side runs the most Republican (R+15), a spread of about 44 points.

Why Old Westbury leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Old Westbury. The lean here lands roughly where demographic data alone would predict.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Old Westbury, 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 Old Westbury looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Old Westbury 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in Old Westbury own their home, about 19 points above the U.S. average of 75%. 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.