Sleepy Hollow is a city located in New York. With a 2020 population of 9,953, it is the 88th largest city in New York and the 3110th largest city in the United States. Sleepy Hollow is currently declining at a rate of -0.52% annually but its population has increased by 0.84% since the most recent census, which recorded a population of 9,870 in 2010. Sleepy Hollow reached it's highest population of 10,180 in 2015. Spanning over 5 miles, Sleepy Hollow has a population density of 4,526 people per square mile.
The average household income in Sleepy Hollow is $117,333 with a poverty rate of 16.36%. The median rental costs in recent years comes to $1,460 per month, and the median house value is $633,300. The median age in Sleepy Hollow is 37.4 years, 38 years for males, and 36.8 years for females. For every 100 females there are 86.3 males.