Matinicus Isle, Maine

Geography According to the United States Census Bureau, the plantation has a total area of 275.8 km² (106.5 mi²). 4.1 km² (1.6 mi²) of it is land and 271.7 km² (104.9 mi²) of it is water. The total area is 98.49% water.

Demographics As of the census of 2000, there are 51 people, 26 households, and 13 families residing in the plantation. The population density is 12.3/km² (31.8/mi²). There are 135 housing units at an average density of 32.6/km² (84.3/mi²). The racial makeup of the plantation is 100.00% White, 0.00% African American, 0.00% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.00% from other races, and 0.00% from two or more races. 0.00% of the population are Hispanic or Latino of any race.

There are 26 households out of which 15.4% have children under the age of 18 living with them, 53.8% are married couples living together, 0.0% have a female householder with no husband present, and 46.2% are non-families. 34.6% of all households are made up of individuals and 15.4% have someone living alone who is 65 years of age or older. The average household size is 1.96 and the average family size is 2.57.

In the plantation the population is spread out with 15.7% under the age of 18, 5.9% from 18 to 24, 21.6% from 25 to 44, 39.2% from 45 to 64, and 17.6% who are 65 years of age or older. The median age is 48 years. For every 100 females there are 121.7 males. For every 100 females age 18 and over, there are 126.3 males.

The median income for a household in the plantation is $32,500, and the median income for a family is $41,250. Males have a median income of $40,000 versus $41,250 for females. The per capita income for the plantation is $15,537. 11.8% of the population and 0.0% of families are below the poverty line. Out of the total people living in poverty, 0.0% are under the age of 18 and 50.0% are 65 or older.