Islip Terrace Real EstateIslip Terrace is located in New York. Islip Terrace, New York has a population of 5,542. Islip Terrace is more family-centric than the surrounding county with 37.09% of the households containing married families with children. The county average for households married with children is 32.94%. The median household income in Islip Terrace, New York is $140,714. The median household income for the surrounding county is $111,660 compared to the national median of $69,021. The median age of people living in Islip Terrace is 40.7 years. Islip Terrace WeatherThe average high temperature in July is 82.5 degrees, with an average low temperature in January of 23.4 degrees. The average rainfall is approximately 48.2 inches per year, with 25.8 inches of snow per year. Islip Terrace MapReal estate near Islip TerraceNearby CitiesNearby Cities Homes for Sale |