Municipal and County owned parks provide access to beaches, nature preserves and passive and active waterfront recreational facilities.
The railroads often determined the growth of a town, and the population shifted from Northern to Southern Westchester.
By 1860, the total county population was 99,000, with the largest city being Yonkers.
Westchester County is one of the centrally located counties within the New York metropolitan area.
The county is positioned with New York City, Nassau and Suffolk counties on Long Island, and Long Island Sound to its south; Putnam County to its north; Fairfield County, Connecticut to its east; and Rockland County and Bergen County, New Jersey across the Hudson River to the west.
At the time it included present day Bronx County, and abutted then-Dutchess County to the north.
By 1775, Westchester was the richest and most populous county in the colony of New York.
Westchester County ranks second in the state after New York County for median income per person, with a higher concentration of incomes in smaller households.
Simultaneously, Westchester County had the highest property taxes of any county in the United States in 2013.
Clockwise from top: The Tappan Zee Bridge and replacement; Mamaroneck Harbor; Philipsburg Manor; downtown White Plains; downtown Scarsdale; shops in Katonah; the New Croton Dam; Getty Square in Yonkers The annual per capita income for Westchester was ,813 in 2011.
The 2011 median household income of ,006 was the fifth highest in New York (after Nassau, Putnam, Suffolk, and Rockland counties) and the 47th highest in the United States.
It shares its southern boundary with New York City and its northern border with Putnam County. Census Bureau, the county has a total area of 500 square miles (1,300 km), Pelham Bay Park is the largest of New York City's parks, forming a substantial buffer between suburban Westchester and the urban Bronx, while Van Cortlandt Park to the west acts as a similar buffer.