Last Updated on June 13, 2024 by Editorial Staff Maine is the 42nd most populous and the 39th most extensive of the 50 states of the United States. It lies in the New England region of the north-eastern United States. Maine is the 12th smallest state by area. The state attained statehood on March 15, 1820, becoming the 23rd state to join the union. It shares its border with … Continue reading 99 Interesting Facts About Maine