Geography
Seconsett Island is located at 41°34'0" North, 70°30'43" West (41.566734, -70.511950)1.
According to the United States Census Bureau, the island has a total area of 0.3 km² (0.1 mi²). 0.3 km² (0.1 mi²) of it is land and none of it is covered by water.
Demographics
As of the census of 2000, there are 81 people, 43 households, and 23 families residing on the island. The population density is 284.3/km² (749.7/mi²). There are 141 housing units at an average density of 494.9/km² (1,305.0/mi²). The racial makeup of the island 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 43 households out of which 9.3% have children under the age of 18 living with them, 39.5% are married couples living together, 9.3% have a female householder with no husband present, and 46.5% are non-families. 34.9% of all households are made up of individuals and 25.6% have someone living alone who is 65 years of age or older. The average household size is 1.88 and the average family size is 2.39.
On the island the population is spread out with 13.6% under the age of 18, 3.7% from 18 to 24, 19.8% from 25 to 44, 29.6% from 45 to 64, and 33.3% who are 65 years of age or older. The median age is 50 years. For every 100 females there are 80.0 males. For every 100 females age 18 and over, there are 94.4 males.
The median income for a household on the island is $17,250, and the median income for a family is $0. Males have a median income of $21,250 versus $16,250 for females. The per capita income for the island is $15,833. 0.0% of the population and 0.0% of families are below the poverty line.