Amityville is a city located in New York. With a 2020 population of 9,369, it is the 95th largest city in New York and the 3227th largest city in the United States. Amityville is currently declining at a rate of -0.37% annually and its population has decreased by -1.62% since the most recent census, which recorded a population of 9,523 in 2010. Amityville reached it's highest population of 9,794 in 1970. Spanning over 2 miles, Amityville has a population density of 4,566 people per square mile.
The average household income in Amityville is $116,122 with a poverty rate of 9.66%. The median rental costs in recent years comes to $1,536 per month, and the median house value is $398,800. The median age in Amityville is 46.3 years, 44.7 years for males, and 47.7 years for females. For every 100 females there are 88.3 males.