West Islip is located in New York. West Islip, New York has a population of 25,973. West Islip is more family-centric than the surrounding county with 32% households with children. The county percentage for households with children is 30%.
The median household income in West Islip, New York is $127,573. The median household income for the surrounding county is $104,317 compared to the national median of $66,222. The median age of people living in West Islip is 44.1 years.
The average high temperature in July is 81.81 degrees, with an average low temperature in January of 23.61 degrees. The annual precipitation is 44.28.