Central Islip is a city located in Suffolk County New York. Central Islip has a 2020 population of 31,205. Central Islip is currently declining at a rate of 0.00% annually and its population has decreased by -9.42% since the most recent census, which recorded a population of 34,450 in 2010. Central Islip reached it's highest population of 36,944 in 2013.
The average household income in Central Islip is $90,344 with a poverty rate of 9.11%. The median rental costs in recent years comes to $1,690 per month, and the median house value is $275,800. The median age in Central Islip is 36 years, 33.3 years for males, and 37.7 years for females.