Resident Population in Maine was 1414.87400 Thous. of Persons in January of 2025, according to the United States Federal Reserve. Historically, Resident Population in Maine reached a record high of 1414.87400 in January of 2025 and a record low of 695.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Maine - last updated from the United States Federal Reserve on March of 2026.