White Plains is a city in south-central Westchester County, New York, about 4 miles east of the Hudson River and.5 miles northwest of Long Island Sound. It is bordered to the north by the town of North Castle, to the north and east by the townvillage of Scarsdale and to the west by the town of Greenburgh. As of the 2000 census, the city had a total population of 53,077, but a 2002 census estimate put the city's population at over 55,000 and subsequent residential development has raised this figure even higher. White Plains is one of the edge cities that have developed outside of New York City. The daytime weekday population is estimated at over 200,000. White Plains apartments for rent comparison page shows most up to date rent information on White Plains apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.