Thornwood is a city located in New York. Thornwood has a 2020 population of 4,103. Thornwood is currently declining at a rate of 0.00% annually and its population has increased by 9.15% 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 $152,535 with a poverty rate of 2.80%. The median rental costs in recent years comes to $2,004 per month, and the median house value is $604,100. The median age in Thornwood is 40.6 years, 35.8 years for males, and 44.3 years for females. For every 100 females there are 92.7 males.