Grand Lake Stream, Maine  Grand Lake Stream is a plantation in Washington County, Maine, United States. The population was 109 at the 2010 census. Grand Lake Stream, the town is named after the stream that flows through the town, which is notable for its excellent landlocked salmon fishery and a fishing tradition that dates to the middle of the 19th century. It also has a long, local tradition of hand-built wooden canoes, ideal for navigating the waters of nearby West Grand Lake. While the year-round population of Grand Lake Stream is relatively small, there is are many visitors in the spring, summer and fall for fishing, hunting, and general relaxation purpose. There are a number of lodges, cabins, and guiding services available. There is also a very active local land trust based in the middle of town, which owns and manages a large portion of the nearby forests and wetlands. Each summer, Grand Lake Stream is also the site of a meeting of prominent American economists. According to the United States Census Bureau, the plantation has a total area of , of which is land and , or 9.26%, is water. As of the census of 2000, there were 150 people, 76 households, and 49 families residing in the plantation. The population density was 3.4 people per square mile (1.3/km²). There were 243 housing units at an average density of 5.5 per square mile (2.1/km²). The racial makeup of the plantation was 96.00% White, 1.33% Native American, 0.67% Asian, and 2.00% from two or more races. Hispanic or Latino of any race were 0.67% of the population. The local Native American community is part of the Passamaquoddy people. There were 76 households out of which 14.5% had children under the age of 18 living with them, 56.6% were married couples living together, 6.6% had a female householder with no husband present, and 35.5% were non-families. 31.6% of all households were made up of individuals and 17.1% had someone living alone who was 65 years of age or older. The average household size was 1.97 and the average family size was 2.43. In the plantation the population was spread out with 10.7% under the age of 18, 5.3% from 18 to 24, 16.7% from 25 to 44, 45.3% from 45 to 64, and 22.0% who were 65 years of age or older.