Thornwood is a city located in Westchester County New York. Thornwood has a 2020 population of 4,186. Thornwood is currently declining at a rate of 0.00% annually and its population has increased by 11.36% since the most recent census, which recorded a population of 3,759 in 2010. Thornwood reached it's highest population of 4,248 in 2014.
The average household income in Thornwood is $159,614 with a poverty rate of 3.71%. The median rental costs in recent years comes to $1,722 per month, and the median house value is $606,600. The median age in Thornwood is 40.7 years, 37.3 years for males, and 43.9 years for females.