Plattsburgh is a city located in Clinton County New York. With a 2020 population of 19,571, it is the 42nd largest city in New York and the 1896th largest city in the United States . Plattsburgh is currently growing at a rate of 0.14% annually but its population has decreased by -2.09% since the most recent census, which recorded a population of 19,989 in 2010. Plattsburgh reached it's highest population of 21,255 in 1990. Spanning over 7 miles, Plattsburgh has a population density of 3,884 people per square mile.
The average household income in Plattsburgh is $60,003 with a poverty rate of 21.08%. The median rental costs in recent years comes to $813 per month, and the median house value is $148,700. The median age in Plattsburgh is 29.2 years, 28.7 years for males, and 29.5 years for females.