Ilion is a city located in New York. With a 2020 population of 7,664, it is the 114th largest city in New York and the 3727th largest city in the United States. Ilion is currently declining at a rate of -0.48% annually and its population has decreased by -4.83% since the most recent census, which recorded a population of 8,053 in 2010. Ilion reached it's highest population of 10,199 in 1960. Spanning over 3 miles, Ilion has a population density of 3,074 people per square mile.
The average household income in Ilion is $58,741 with a poverty rate of 16.51%. The median rental costs in recent years comes to $630 per month, and the median house value is $79,600. The median age in Ilion is 39.4 years, 40.3 years for males, and 38.4 years for females. For every 100 females there are 90.8 males.