Cornwall-on-Hudson is a city located in New York. With a 2020 population of 2,922, it is the 240th largest city in New York and the 6323rd largest city in the United States. Cornwall-on-Hudson is currently declining at a rate of 0.00% annually and its population has decreased by -3.18% since the most recent census, which recorded a population of 3,018 in 2010. Cornwall-on-Hudson reached it's highest population of 3,164 in 1980. Spanning over 2 miles, Cornwall-on-Hudson has a population density of 1,471 people per square mile.
The average household income in Cornwall-on-Hudson is $116,148 with a poverty rate of 3.85%. The median rental costs in recent years comes to $1,363 per month, and the median house value is $309,200. The median age in Cornwall-on-Hudson is 41.4 years, 42.4 years for males, and 40.7 years for females. For every 100 females there are 82.5 males.