Plandome Manor, NY has a population of 884 and is the 15,913th largest city in the United States. The population density is 1,825 per sq mi which is 409% higher than the New York average and 1914% higher than the national average. The median age in Plandome Manor is 45 which is approximately 19% higher than the New York average of 38. In Plandome Manor, 77% of the population over 15 years of age are married, 80% speak English and 2% speak Spanish. 78% of Plandome Manor residents were born in New York, 8% were born out of state, 2% were born outside of the United States and 12% were foreign born.