Delevan is a city located in New York. With a 2020 population of 1,020, it is the 416th largest city in New York and the 10220th largest city in the United States. Delevan is currently declining at a rate of -0.68% annually and its population has decreased by -6.34% since the most recent census, which recorded a population of 1,089 in 2010. Delevan reached it's highest population of 1,091 in 2010. Spanning over 1 miles, Delevan has a population density of 1,026 people per square mile.
The average household income in Delevan is $49,584 with a poverty rate of 27.67%. The median rental costs in recent years comes to $587 per month, and the median house value is $100,900. The median age in Delevan is 40.5 years, 27.5 years for males, and 44.2 years for females. For every 100 females there are 107.2 males.