Levittown, NY has a population of 51,073 and is the 798th largest city in the United States. The population density is 7,499 per sq mi which is 1990% higher than the New York average and 8177% higher than the national average. The median age in Levittown is 42 which is approximately 9% higher than the New York average of 38. In Levittown, 63% of the population over 15 years of age are married, 84% speak English and 8% speak Spanish. 82% of Levittown residents were born in New York, 4% were born out of state, 1% were born outside of the United States and 13% were foreign born.