Resident Population in Lincoln County, ME was 36.49100 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Lincoln County, ME reached a record high of 36.49100 in January of 2024 and a record low of 20.53700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lincoln County, ME - last updated from the United States Federal Reserve on April of 2026.