Islip Terrace is a city located in New York. Islip Terrace has a 2020 population of 5,529. Islip Terrace is currently declining at a rate of 0.00% annually and its population has increased by 2.60% since the most recent census, which recorded a population of 5,389 in 2010. Islip Terrace reached it's highest population of 5,647 in 2011.
The average household income in Islip Terrace is $136,456 with a poverty rate of 2.55%. The median rental costs in recent years comes to $2,344 per month, and the median house value is $350,700. The median age in Islip Terrace is 38.1 years, 31.9 years for males, and 43.8 years for females. For every 100 females there are 101.3 males.