Plattekill is a town in Ulster County, New York, United States. The population was 10,424 in 2020, a slight decrease from 10,499 at the 2010 census. The name is derived from a stream, the Platte Kill.

Newburgh is a town in Orange County, New York, United States. It forms part of the Kiryas Joel-Poughkeepsie-Newburgh metropolitan area, which is a part of the New York metropolitan area, and is a suburban satellite of the urbanized city of Newburgh. The city of Newburgh was a part of the town prior to 1865. New York Stewart International Airport is partially located within the township, and much of the land into which it could have been expanded has been turned into Stewart State Forest.