Rockaway is a borough in Morris County, New Jersey, USA. As of the United States 2000 Census, the borough population was 6,473.
Rockaway was formed as a borough on June 19, 1894, from portions of Rockaway Township, based on the results of a referendum held the previous day.
According to the United States Census Bureau, the borough has a total area of 2.1 square miles (5.5 km²), of which, 2.1 square miles (5.4 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.95%) is water.
There were 2,445 households out of which 33.4% had children under the age of 18 living with them, 56.3% were married couples living together, 10.4% had a female householder with no husband present, and 30.1% were non-families. 23.8% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.16.
In the borough the population was spread out with 23.3% under the age of 18, 6.6% from 18 to 24, 33.6% from 25 to 44, 24.7% from 45 to 64, and 11.9% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 94.7 males. For every 100 females age 18 and over, there were 91.4 males.
The median income for a household in the borough was $61,002, and the median income for a family was $66,997. Males had a median income of $44,673 versus $35,956 for females. The per capita income for the borough was $26,500. About 3.0% of families and 5.0% of the population were below the poverty line, including 6.4% of those under age 18 and 8.7% of those age 65 or over.
Public school students in grades 9 - 12 attend Morris Hills High School, located in Rockaway Borough, and which also serves the residential communities of Rockaway Township and Wharton. The current enrollment is 1,087 students. The high school is part of the Morris Hills Regional High School District, which also includes students from Denville Township.
Sacred Heart School an Saint Cecilia School are Catholic schools operated under the auspices of the Roman Catholic Diocese of Paterson.