Edgartown, MA has a population of 649 and is the 17,923rd largest city in the United States. The population density is 529 per sq mi which is 16% lower than the Massachusetts average and 484% higher than the national average. The median age in Edgartown is 59 which is approximately 50% higher than the Massachusetts average of 39. In Edgartown, 53% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 67% of Edgartown residents were born in Massachusetts, 30% were born out of state, 2% were born outside of the United States and 1% were foreign born.