Pearl River is a hamlet and census-designated place in the town of Orangetown, Rockland County, New York, United States. It is located east of Chestnut Ridge, south of Nanuet, west of Blauvelt, New York, and north of Montvale and Old Tappan, New Jersey. The population was 15,876 at the 2010 census.
Pearl River is located at 41°3′32.8″N 74°1′12.9″W / 41.059111°N 74.020250°W / 41.059111; -74.020250 (41.0591,-74.02025).
According to the United States Census Bureau, the CDP has a total area of 7.2 square miles (19 km), of which 6.8 square miles (18 km) is land and 0.3 square miles (0.78 km), or 4.87%, is water.
As of the census of 2000, there were 21,042 people, 5,539 households, and 4,209 families residing in the CDP. The population density was 3,273.2 per square mile (877.9/km²). There were 5,636 housing units at an average density of 823.8/sq mi (318.1/km²). The racial makeup of the CDP was 72.37% White, 6.39% African American, 0.05% Native American, 7.16% Asian, 0.02% Pacific Islander, 0.57% from other races, and 0.68% from two or more races. Hispanic or Latino of any race were 6.44% of the population.
There were 5,539 households out of which 33.6% had children under the age of 18 living with them, 64.4% were married couples living together, 8.4% had a female householder with no husband present, and 24.0% were non-families. 20.7% of all households were made up of individuals and 8.3% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.26.
In the CDP, the population was spread out with 25.3% under the age of 18, 6.0% from 18 to 24, 29.3% from 25 to 44, 24.7% from 45 to 64, and 14.6% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.6 males. For every 100 females age 18 and over, there were 91.3 males.
The median income for a household in the CDP was $76,692, and the median income for a family was $91,618. Males had a median income of $58,966 versus $39,452 for females. The per capita income for the CDP was $31,417. About 2.2% of families and 3.4% of the population were below the poverty line, including 3.1% of those under age 18 and 4.7% of those age 65 or over.
Pearl River has a large Irish community and hosts under the auspices of the Ancient Order of Hibernians the second-largest Saint Patrick’s Day parade in New York state, typically on the Sunday following St. Patrick’s Day. This large Irish-American population also supports the largest youth Gaelic Athletic Football team in the United States.