New Castle, New York

New Castle, New York
New Castle Town Hall (2024)
New Castle Town Hall (2024)
Official seal of New Castle, New York
Location of New Castle, New York
Location of New Castle, New York
Coordinates: 41°11′7″N 73°46′7″W / 41.18528°N 73.76861°W / 41.18528; -73.76861
CountryUnited States
StateNew York
CountyWestchester
Founded1791
Government
 • TypeTown
Area
 • Total
23.53 sq mi (60.93 km2)
 • Land23.16 sq mi (59.99 km2)
 • Water0.36 sq mi (0.94 km2)
Elevation
561 ft (171 m)
Population
 (2020)
 • Total
18,311
 • Density780/sq mi (300/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP Codes
10510,10514, 10546, 10549, 10562
FIPS code36-50078
GNIS feature ID0979260
Websitewww.mynewcastle.org
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New Castle is a town in Westchester County, New York, United States. The population was 18,311 in the 2020 United States census,[2] an increase over 17,569 at the 2010 census.[3] It includes the named hamlets of Chappaqua and Millwood, but residents and businesses in the Town of New Castle can also have a designated city address of Ossining, or Millwood (together commonly referred to as the "West End" of New Castle) as well as Chappaqua or even Mt. Kisco.

  1. ^ "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 5, 2017.
  2. ^ United States Census Bureau, 2020 Report, New Castle, New York
  3. ^ "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): New Castle town, Westchester County, New York". United States Census Bureau. Retrieved November 15, 2011.