Brewerton is a census-designated place (CDP) in the town of Cicero in Onondaga County and the town of Hastings in Oswego County in the U.S. state of New York. It lies at the west end of Oneida Lake at its outlet into the Oneida River. The population was 4,549 at the 2020 census. Maps of the 19th century indicate that this area was once known as Fort Brewerton, while Brewerton meant the Cicero portion.

Cicero is a town in northern Onondaga County, New York, United States. As of the 2020 Census, the population was 31,435. The name of the town was assigned by a clerk interested in the classics, honoring Cicero, a Roman statesman.