Rotterdam is a town located in Schenectady County in eastern New York, United States. According to the 2020 census, the town had a population of 30,523 residents.
The town is situated in the Capital District region of New York State, in close proximity to the city of Schenectady. Like many communities in the region, Rotterdam's development has been influenced by its location along major transportation corridors and its proximity to the Hudson River valley.