Pearl River, NY has a population of 16,076 and is the 2,667th largest city in the United States. The population density is 2,366 per sq mi which is 560% higher than the New York average and 2511% higher than the national average. The median age in Pearl River is 42 which is approximately 10% higher than the New York average of 38. In Pearl River, 63% of the population over 15 years of age are married, 85% speak English and 6% speak Spanish. 71% of Pearl River residents were born in New York, 15% were born out of state, 1% were born outside of the United States and 13% were foreign born.