Rockleigh (pronounced ROCK-lee) is a borough in northeastern Bergen County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 407, a decrease of 124 (−23.4%) from the 2010 census count of 531, which in turn reflected an increase of 140 (+35.8%) from the 391 counted in the 2000 census. Bordering Alpine, a community ranked America's most expensive ZIP Code by Forbes, Rockleigh has a similar residential character, with large single-family homes on large plots of land.
Rockleigh was incorporated as a borough by an act of the New Jersey Legislature on March 13, 1923 (based on the results of a referendum held on April 10, 1923) from portions of Northvale. The borough was named for a property in Virginia that had been owned by the borough's first mayor.
New Jersey Monthly magazine ranked Rockleigh as its 13th best place to live in its 2008 rankings of the "Best Places To Live" in New Jersey.
Geography
According to the United States Census Bureau, the borough had a total area of 1.01 square miles (2.62 km2), including 1.00 square miles (2.60 km2) of land and 0.01 square miles (0.02 km2) of water (0.69%). Rockleigh is about from Manhattan in New York City.
The borough borders the municipalities of Alpine, Northvale and Norwood in Bergen County and Tappan in the Town of Orangetown in Rockland County, New York.
Demographics
2010 census
The 2010 United States census counted 531 people, 75 households, and 58 families in the borough. The population density was . There were 86 housing units at an average density of . The racial makeup was 95.10% (505) White, 2.07% (11) Black or African American, 0.19% (1) Native American, 1.51% (8) Asian, 0.00% (0) Pacific Islander, 0.19% (1) from other races, and 0.94% (5) from two or more races. Hispanic or Latino of any race were 3.77% (20) of the population.
Of the 75 households, 32.0% had children under the age of 18; 70.7% were married couples living together; 4.0% had a female householder with no husband present and 22.7% were non-families. Of all households, 13.3% were made up of individuals and 8.0% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.28.
16.2% of the population were under the age of 18, 2.8% from 18 to 24, 8.9% from 25 to 44, 15.1% from 45 to 64, and 57.1% who were 65 years of age or older. The median age was 73.8 years. For every 100 females, the population had 58.5 males. For every 100 females ages 18 and older there were 47.4 males.
The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $137,778 (with a margin of error of +/− $87,096) and the median family income was $139,861 (+/− $77,779). Males had a median income of $76,719 (+/− $48,274) versus $70,3136 (+/− $43,416) for females. The per capita income for the borough was $36,771 (+/− $23,965). About none of families and 3.4% of the population were below the poverty line, including none of those under age 18 and none of those age 65 or over.
Same-sex couples headed none of the borough's households in either 2000 or 2010.
2000 census
As of the 2000 United States census there were 391 people, 74 households, and 58 families residing in the borough. The population density was . There were 80 housing units at an average density of . The racial makeup of the borough was 89.77% White, 3.32% African American, 0.26% Native American, 3.84% Asian, 1.02% from other races, and 1.79% from two or more races. Hispanic or Latino of any race were 4.86% of the population.
There were 74 households, out of which 37.8% had children under the age of 18 living with them, 67.6% were married couples living together, 8.1% had a female householder with no husband present, and 21.6% were non-families. 10.8% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older. The average household size was 3.04 and the average family size was 3.40.
In the borough the population was spread out, with 26.3% under the age of 18, 4.6% from 18 to 24, 15.6% from 25 to 44, 21.5% from 45 to 64, and 32.0% who were 65 years of age or older. The median age was 49 years. For every 100 females, there were 95.5 males. For every 100 females age 18 and over, there were 68.4 males.