East Williston, NY has a population of 2,581 and is the 9,647th largest city in the United States. The population density is 4,539 per sq mi which is 1165% higher than the New York average and 4910% higher than the national average. The median age in East Williston is 43 which is approximately 12% higher than the New York average of 38. In East Williston, 65% of the population over 15 years of age are married, 88% speak English and 4% speak Spanish. 83% of East Williston residents were born in New York, 4% were born out of state, 2% were born outside of the United States and 11% were foreign born.