Westchester was the first suburban area of its scale in the world to develop, due mostly to the upper-middle-class development of entire communities in the late 19th century and the subsequent rapid population growth.
Because of Westchester's numerous road and mass transit connections to New York City, as well as its shared border with the Bronx, the 20th and 21st centuries have seen much of the county, particularly the southern portion, become nearly as densely developed as New York City itself.
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.
Let's not embarrass each other.' But you forget that the cameras are on you," Kelly shared.
"It's reality, and we do fight and, you know, we do throw jabs at each other.
By 1860, the total county population was 99,000, with the largest city being Yonkers.The period following the American Civil War enabled entrepreneurs in the New York area to create fortunes, and many built large estates, such as Lyndhurst, in Westchester.