North Berwick, ME has a population of 1,764 and is the 11,763rd largest city in the United States. The population density is 552 per sq mi which is 1155% higher than the Maine average and 510% higher than the national average. The median age in North Berwick is 37 which is approximately 15% lower than the Maine average of 44. In North Berwick, 48% of the population over 15 years of age are married, 95% speak English and 2% speak Spanish. 37% of North Berwick residents were born in Maine, 59% were born out of state, 2% were born outside of the United States and 2% were foreign born.