Little Falls, ME has a population of 635 and is the 18,078th largest city in the United States. The population density is 552 per sq mi which is 1370% higher than the Maine average and 509% higher than the national average. The median age in Little Falls is 33 which is approximately 24% lower than the Maine average of 44. In Little Falls, 34% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 85% of Little Falls residents were born in Maine, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.