Whitehouse Station is an unincorporated community and census-designated place (CDP) located within Readington Township, in Hunterdon County, New Jersey, United States. At the 2010 United States Census, the CDP's population was 2,089. Whitehouse Station takes its name from Whitehouse and Abraham Van Horne's 18th century tavern.
New Jersey Transit offers service on the Raritan Valley Line at White House Station.
The area, which is now served only by New Jersey Transit's Raritan Valley Line, used to be a railroad junction, serving as the endpoint of the ill-fated Rockaway Valley Railroad, which ceased operation in 1913. Whitehouse Station was home to the global headquarters of pharmaceutical giant Merck, which was housed in the modernist Merck Headquarters Building. Merck has now shifted its base of operations to Kenilworth.
According to the United States Census Bureau, the CDP had a total area of 1.346 square miles (3.487 km2), including 1.303 square miles (3.376 km2) of land and 0.043 square miles (0.111 km2) of water (3.20%).
The 2010 United States Census counted 2,089 people, 963 households, and 553 families in the CDP. The population density was 1,602.7 inhabitants per square mile (618.8/km2). There were 989 housing units at an average density of 758.8 per square mile (293.0/km2). The racial makeup was 91.53% (1,912) White, 2.82% (59) Black or African American, 0.05% (1) Native American, 3.06% (64) Asian, 0.00% (0) Pacific Islander, 1.15% (24) from other races, and 1.39% (29) from two or more races. Hispanic or Latino of any race were 5.27% (110) of the population.
Of the 963 households, 23.2% had children under the age of 18; 46.0% were married couples living together; 8.9% had a female householder with no husband present and 42.6% were non-families. Of all households, 37.1% were made up of individuals and 17.1% had someone living alone who was 65 years of age or older. The average household size was 2.17 and the average family size was 2.87.
19.6% of the population were under the age of 18, 4.3% from 18 to 24, 23.1% from 25 to 44, 31.5% from 45 to 64, and 21.4% who were 65 years of age or older.