Lisbon Falls, ME has a population of 4,100 and is the 7,333rd largest city in the United States. The population density is 1,117 per sq mi which is 2874% higher than the Maine average and 1133% higher than the national average. The median age in Lisbon Falls is 38 which is approximately 13% lower than the Maine average of 44. In Lisbon Falls, 53% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 68% of Lisbon Falls residents were born in Maine, 30% were born out of state, 1% were born outside of the United States and 1% were foreign born.