Yorktown Heights is a census-designated place (CDP) in the town of Yorktown in Westchester County, New York, United States. The population was 1,781 at the 2010 census.

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. First settled in 1683, Yorktown was of strategic importance during the American Revolution, with the Pines Bridge crossing of the Croton River guarded by the 1st Rhode Island Regiment, an integrated unit which included African Americans and Native Americans. Yorktown was incorporated in 1788 and named in commemoration of the Franco-American decisive victory at Yorktown, Virginia. The Yorktown Heights Railroad Station, which last had passenger service on the New York Central Railroad's Putnam Division in 1958, was added to the National Register of Historic Places in 1981.

Yorktown Heights is at 41°16′38″N 73°46′53″W / 41.27722°N 73.78139°W / 41.27722; -73.78139 (41.277347, −73.781290).

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

Like much of northern Westchester County, Yorktown is largely hilly and wooded.

Historical population

Census	Pop.	Note	%±
2020	1,884		—
U.S. Decennial Census

As of the census of 2000, there were 7,972 people, 2,629 households, and 2,163 families residing in the CDP. The population density was 1,399.3/mi (540.0/km). There were 2,661 housing units at an average density of 467.1/mi (180.2/km). The racial makeup of the CDP was 90.49% White, 2.41% African American, 0.06% Native American, 4.69% Asian, 0.01% Pacific Islander, 0.85% from other races, and 1.48% from two or more races. Hispanic or Latino of any race were 5.59% of the population.

There were 2,629 households, out of which 44.6% had children under the age of 18 living with them, 73.0% were married couples living together, 7.2% had a female householder with no husband present, and 17.7% were non-families. 15.3% of all households were made up of individuals, and 9.0% had someone living alone who was 65 years of age or older. The average household size was 3.02 and the average family size was 3.37.

In the CDP, the population was spread out, with 28.4% under the age of 18, 5.8% from 18 to 24, 27.1% from 25 to 44, 27.4% from 45 to 64, and 11.3% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 95.9 males. For every 100 females age 18 and over, there were 90.6 males.

The median income for a household in the CDP was $108,648, and the median income for a family was $137,580. Males had a median income of $91,365 versus $80,261 for females. The per capita income for the CDP was $41,349.

Yorktown Heights possesses many historical landmarks, specifically related to Colonial times and the Revolutionary War. They include the Hyatt House, Lanes Tavern, and one of the first Presbyterian churches in the region. Another landmark famous to the town is the former railroad station, which was built in 1905, and had been a stop on the New York and Putnam Railroad Line (also called the "Old Put"). 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.

U.S. Route 202 passes through Yorktown Heights. The Taconic State Parkway is nearby, to the west.

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

Yorktown Central School District is the area school district.

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