Amsterdam is a city located in Montgomery County, New York. With a 2020 population of 17,796, it is the 48th largest city in New York and the 2032nd largest city in the United States. Amsterdam is currently declining at a rate of -0.19% annually and its population has decreased by -4.43% since the most recent census, which recorded a population of 18,620 in 2010. Amsterdam reached it's highest population of 34,817 in 1930. Spanning over 6 miles, Amsterdam has a population density of 3,031 people per square mile.
The average household income in Amsterdam is $50,986 with a poverty rate of 27.47%. The median rental costs in recent years comes to $779 per month, and the median house value is $83,500. The median age in Amsterdam is 36.1 years, 34.2 years for males, and 39.6 years for females. For every 100 females there are 89.1 males.