Rockdale is a hamlet in the town of Guilford, Chenango County, New York, United States.

It is located on the Unadilla River, a southward-flowing tributary of the Susquehanna River.

It is the location of the Rockdale Community Church, added to the National Register of Historic Places in 2005.

[1] In the novel Atlas Shrugged by Ayn Rand, several chapters take place at the fictional "Rockdale railway station" and at an estate five miles from the town.

This article about a location in Chenango County, New York is a stub.