West Sayville is a city located in New York. West Sayville has a 2020 population of 4,806. West Sayville is currently declining at a rate of 0.00% annually and its population has decreased by -4.09% since the most recent census, which recorded a population of 5,011 in 2010. West Sayville reached it's highest population of 5,011 in 2010.
The average household income in West Sayville is $115,377 with a poverty rate of 6.09%. The median rental costs in recent years comes to $1,554 per month, and the median house value is $380,400. The median age in West Sayville is 45.3 years, 45.2 years for males, and 45.4 years for females. For every 100 females there are 88.5 males.