Armonk, New York

Armonk, New York
Top (L–R): IBM's corporate headquarters
Middle (L–R): the Bedford Road Historic District buildings, where it connects the district
Bottom (L–R): NY128 End Sign with a few cars
Location of Armonk, New York
Coordinates: 41°7′43″N 73°42′28″W / 41.12861°N 73.70778°W / 41.12861; -73.70778
CountryUnited States
StateNew York
CountyWestchester
TownNorth Castle
Government
 • SupervisorJoseph A. Rende
Area
 • Total
6.03 sq mi (15.61 km2)
 • Land5.93 sq mi (15.37 km2)
 • Water0.093 sq mi (0.24 km2)
Elevation
387 ft (118 m)
Population
 (2020)
 • Total
4,495
 • Density757.5/sq mi (292.49/km2)
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
ZIP Code
10504
Area code914
FIPS code36-02649
GNIS feature ID0942567
Websitewww.northcastleny.com

Armonk is a hamlet and census-designated place (CDP) in the town of North Castle, located in Westchester County, New York, United States. As of the 2020 census, Armonk had a population of 4,495. The corporate headquarters of IBM are located in Armonk.