Seabrook, New Hampshire

Seabrook is a town in Rockingham County, New Hampshire, United States. The population was 8,693 at the 2010 census. Located at the southern end of the coast of New Hampshire on the border with Massachusetts, Seabrook is noted as the location of the Seabrook Nuclear Power Station, the third-most recently constructed nuclear power plant in the United States.


As of the 2010 census, there were 8,693 people, 3,706 households and 2,276 families living in the town. The population density was 977 per square mile (380/km2). There were 4,544 housing units in the town, 838 of which (18.4%) were vacant. 512 of the vacant units were for seasonal or recreational use. The racial makeup of the town was 96.3% White, 0.5% African American, 0.1% Native American, 1.1% Asian, 0.6% some other race, and 1.4% from two or more races. Hispanic or Latino of any race were 1.4% of the population.

Of the 3,706 households in the town, 25.4% had children under the age of 18 living with them, 45.0% were headed by married couples living together, 11.1% had a female householder with no husband present, and 38.6% were non-families. 30.1% of all households were made up of individuals, and 11.7% were someone living alone who was 65 years of age or older. The average household size was 2.34, and the average family size was 2.90.

The town’s age distribution was 18.7% under the age of 18, 7.8% from 18 to 24, 24.2% from 25 to 44, 31.7% from 45 to 64, and 17.5% who were 65 years of age or older. The median age was 44.6 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 98.4 males.

For the period 2014-18, the estimated median household income was $67,430, and the median family income was $78,769. Male full-time workers had a median income of $53,315 versus $41,354 for females. The per capita income for the town was $35,356.

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