What is Westchester County, New York?
{{Infobox settlement | name = Westchester County | native_name = | other_name = | settlement_type = [[List of counties in New York|County]] <!-- images, nickname, motto -->| image_skyline = Westchester Compilation 1.png | image_caption = Clockwise from top: the old [[Tappan Zee Bridge]] (1955–2019) and new [[Tappan Zee Bridge]]; [[Mamaroneck]] Harbor; [[Philipsburg Manor]]; [[downtown]] [[White Plains, New York|White Plains]]; downtown [[Scarsdale]]; [[shop]]s in [[Katonah]]; the [[New Croton Dam]]; [[Getty Square]] in [[Yonkers]] | image_flag = Flag of Westchester County, New York.svg | motto = | nickname = | etymology = [[Chester]] in [[England]] <!-- location -->| subdivision_type = Country | subdivision_name = [[United States]] | subdivision_type1 = State | subdivision_name1 = [[New York (state)|New York]] | subdivision_type2 = Region | subdivision_name2 = Hudson Valley | subdivision_type3 = | subdivision_name3 = <!-- maps and coordinates --> | image_map = {{Maplink|frame=yes|plain=yes|frame-width=300|frame-align=center|type=shape|fill=#ffffff|fill-opacity=0|stroke-width=3}} | map_caption = Interactive map of Westchester County | coordinates = {{coord|41|09|N|73|46|W|display=inline,title}} | coordinates_footnotes = <!-- government type, leaders --> | leader_title = [[Westchester County Executive|County Executive]] | leader_name = [[George Latimer (New York politician)|George Latimer]] ([[Democratic Party (United States)|D]]) <!-- established -->| established_title = Founded | established_date = {{start date and age|1683|11|1|mf=y}} <!-- area -->| area_footnotes = | dunam_link = | area_total_km2 = 1280 | area_total_sq_mi = 500 | area_land_sq_mi = 430 | area_water_sq_mi = 69 <!-- elevation -->| elevation_footnotes = | elevation_m = | elevation_ft = <!-- population --> | population_as_of = 2020 | population_footnotes = | population_tota