Seabrook Island is a town located in Charleston County, South Carolina. As of the 2000 census, the town had a total population of 1,250.
Seabrook Island is located at 32°34'56" North, 80°9'48" West (32.582173, -80.163332)1.
According to the United States Census Bureau, the town has a total area of 18.4 km² (7.1 mi²). 15.7 km² (6.1 mi²) of it is land and 2.6 km² (1.0 mi²) of it is water. The total area is 14.39% water.
As of the census2 of 2000, there are 1,250 people, 660 households, and 465 families residing in the town. The population density is 79.5/km² (206.0/mi²). There are 1,649 housing units at an average density of 104.9/km² (271.7/mi²). The racial makeup of the town is 97.04% White, 1.44% African American, 0.40% Native American, 0.08% Asian, 0.40% Pacific Islander, 0.32% from other races, and 0.32% from two or more races. 0.88% of the population are Hispanic or Latino of any race.
There are 660 households out of which 3.6% have children under the age of 18 living with them, 68.2% are married couples living together, 2.3% have a female householder with no husband present, and 29.4% are non-families. 24.8% of all households are made up of individuals and 11.8% have someone living alone who is 65 years of age or older. The average household size is 1.86 and the average family size is 2.14.
In the town the population is spread out with 3.0% under the age of 18, 3.1% from 18 to 24, 11.8% from 25 to 44, 40.9% from 45 to 64, and 41.2% who are 65 years of age or older. The median age is 62 years. For every 100 females there are 89.7 males. For every 100 females age 18 and over, there are 89.2 males.
The median income for a household in the town is $66,548, and the median income for a family is $84,392. Males have a median income of $50,446 versus $40,000 for females. The per capita income for the town is $49,863. 3.8% of the population and 2.1% of families are below the poverty line. Out of the total population, 0.0% of those under the age of 18 and 4.6% of those 65 and older are living below the poverty line.