[4] Yorktown Heights is in the town of Yorktown, New York, in northern Westchester County, 45 miles from New York City, with forty square miles of rolling hills, farmland, residential areas and light industry including the IBM Thomas J. Watson Research Center.

[6] The Yorktown Heights Census-designated place (CDP) has a total area of 0.93 square miles (2.4 km2), all land.

Yorktown Heights possesses many historical landmarks, specifically related to Colonial times and the Revolutionary War.

A popular hiking destination is Turkey Mountain, maintained by the Yorktown Land Trust.

The North County Trailway is a popular running and bike path that can be accessed from Yorktown Heights.

Yorktown Heights Railroad Station was closed in 1958, a year before passenger service was abandoned along the New York Central's Putnam Division.