Eastport is a small city (consisting entirely of islands) in Washington County, Maine, United States. The population was 1,331 at the 2010 census, making Eastport the least-populous city in Maine. The principal island is Moose Island, which is connected to the mainland by causeway. Eastport is the easternmost city in the United States (although the nearby town of Lubec is the easternmost municipality).
Eastport is the easternmost city in the United States; Lubec is further east but is a town. According to the United States Census Bureau, the city has a total area of 12.34 square miles (31.96 km), of which 3.63 square miles (9.40 km) is land and 8.71 square miles (22.56 km) is water. Eastport is located on the southeasterly part of Moose Island, which lies between Cobscook Bay to the west and Passamaquoddy Bay to the east. The city faces Deer Island to the northeast and Campobello Island to the southeast—both in Canada.
Old Sow, the largest tidal whirlpool in the Western Hemisphere, sits on the international boundary between Eastport and Deer Island.
The population peaked at 5,311 in 1900. It has fallen more or less constantly since then to its population of 1,331 at the 2010 census.
As of the census of 2010, there were 1,331 people, 670 households, and 355 families residing in the city. The population density was 366.7 inhabitants per square mile (141.6/km). There were 1,083 housing units at an average density of 298.3 per square mile (115.2/km). The racial makeup of the city was 92.0% White, 0.8% African American, 3.6% Native American, 0.5% Asian, 0.5% from other races, and 2.7% from two or more races. Hispanic or Latino of any race were 0.9% of the population.
There were 670 households of which 16.9% had children under the age of 18 living with them, 41.5% were married couples living together, 9.1% had a female householder with no husband present, 2.4% had a male householder with no wife present, and 47.0% were non-families. 40.1% of all households were made up of individuals and 19.1% had someone living alone who was 65 years of age or older. The average household size was 1.93 and the average family size was 2.56.
The median age in the city was 54.5 years. 14.2% of residents were under the age of 18; 5.3% were between the ages of 18 and 24; 15.6% were from 25 to 44; 38.2% were from 45 to 64; and 26.7% were 65 years of age or older. The gender makeup of the city was 47.0% male and 53.0% female.
As of the census of 2000, there were 1,640 people, 750 households, and 444 families residing in the city. The population density was 447.7 people per square mile (173.0/km²). There were 1,061 housing units at an average density of 289.7 per square mile (111.9/km²). The racial makeup of the city was 93.60% White, 0.37% African American, 3.96% Native American, 0.12% Asian, 0.06% Pacific Islander, 0.24% from other races, and 1.65% from two or more races. Hispanic or Latino of any race were 0.85% of the population.
There were 750 households out of which 22.1% had children under the age of 18 living with them, 43.1% were married couples living together, 12.0% had a female householder with no husband present, and 40.7% were non-families. 32.7% of all households were made up of individuals and 14.3% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.69.
In the city, the population was spread out with 18.7% under the age of 18, 7.9% from 18 to 24, 23.5% from 25 to 44, 28.5% from 45 to 64, and 21.5% who were 65 years of age or older. The median age was 45 years. For every 100 females, there were 89.8 males. For every 100 females age 18 and over, there were 90.0 males.
The median income for a household in the city was $23,488, and the median income for a family was $31,328. Males had a median income of $22,875 versus $17,917 for females. The per capita income for the city was $14,864. About 11.2% of families and 17.2% of the population were below the poverty line, including 27.7% of those under age 18 and 12.3% of those age 65 or over.