Plandome Manor leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 76% of adults in Plandome Manor typically vote, above the U.S. average of about 62%. Among adults in Plandome Manor, ~43% vote Democratic, ~33% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Plandome Manor compares
Among cities within 25 miles, Plandome Manor leans more Democratic than 197 of 279 neighbors.
Politically, Plandome Manor sits close to the rest of New York.
Politics vary noticeably by neighborhood within Plandome Manor. The northwest side runs the most Democratic (D+35) and the west side runs the most Republican (R+17), a spread of about 51 points.
Why Plandome Manor 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 Plandome Manor, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 74% of residents in Plandome Manor live in densely developed areas, about 37 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Plandome Manor sits in the top quarter (about 81%, in the top fraction of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Plandome Manor, NY sits in the top tenth nationally on this measure.
Why turnout in Plandome Manor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Plandome Manor 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%. High high-school completion lines up with higher turnout, and about 98% of adults in Plandome Manor have completed high school, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Plandome, NY R+17
- Port Washington, NY D+26
- Baxter Estates, NY D+34
- Plandome Heights, NY R+8
- Flower Hill, NY D+3
- Munsey Park, NY R+5
- Manhasset, NY Even
- Port Washington North, NY D+16
- Manorhaven, NY D+5
- Sands Point, NY D+14
Cities with Similar Populations
- Newfields, NH D+13
- Marked Tree, AR R+28
- Big Clifty, KY R+66
- Dexter, GA R+66
- Kuttawa, KY R+56
- Honey Grove, TX R+53
- Albion, NE R+59
- New Berlin, NY R+40
- Davidsville, PA R+47
- Coleman, WI R+43
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.