White Plains is a U.S. city in the state of New York. It is the commercial hub and the seat of Westchester County, an affluent suburban county that is home to almost one million people, just north of New York City. White Plains is located in south-central Westchester, with its downtown about 7 miles (11 km) east of the Hudson River and 7 miles (11 km) northwest of Long Island Sound. It is bordered to the north by the town of North Castle, to the north and east by the town/village of Harrison, to the south by the town/village of Scarsdale, and to the west by the town of Greenburgh.
As of 2011, the city's total population was estimated to be 57,258, up from 56,853 at the 2010 census.[3] According to the city government, the daytime weekday population is estimated at 250,000.[4]