According to the U.S. Census Bureau, the population of Maine as of July 1, 2022, was 1,385,340. The same source also provides additional population statistics, such as the population estimates base as of April 1, 2020, which was 1,362,341, and the population change from April 1, 2020, to July 1, 2022, which was 1.7% . The Census Bureau also reports that as of the 2020 census, 1,362,359 people lived in Maine. Data USA reports that in 2020, Maine had a population of 1.34 million people. World Population Review estimates that as of 2021, there were 1,329,328 people living in Maine. The population density of Maine is 43.1 people per square mile, making it the least densely populated state in New England, the American northeast, and the eastern seaboard, as well as all states with an Atlantic coastline and all of those states east of the Mississippi River.