Amagansett, NY has a population of 1,055 and is the 14,817th largest city in the United States. The population density is 162 per sq mi which is 55% lower than the New York average and 78% higher than the national average. The median age in Amagansett is 52 which is approximately 37% higher than the New York average of 38. In Amagansett, 67% of the population over 15 years of age are married, 92% speak English and 6% speak Spanish. 71% of Amagansett residents were born in New York, 19% were born out of state, 0% were born outside of the United States and 10% were foreign born.