Castleton-on-Hudson is a city located in New York. With a 2020 population of 1,465, it is the 361st largest city in New York and the 8793rd largest city in the United States. Castleton-on-Hudson is currently declining at a rate of -0.27% annually and its population has decreased by -0.54% since the most recent census, which recorded a population of 1,473 in 2010. Castleton-on-Hudson reached it's highest population of 1,475 in 2010. Spanning over 1 miles, Castleton-on-Hudson has a population density of 2,053 people per square mile.
The average household income in Castleton-on-Hudson is $82,745 with a poverty rate of 6.32%. The median rental costs in recent years comes to $855 per month, and the median house value is $162,900. The median age in Castleton-on-Hudson is 42.1 years, 38.1 years for males, and 46.3 years for females. For every 100 females there are 86.5 males.