Westchester County, New York

Westchester County is located in the U.S. state of New York. It is the seventh most populated county in New York and the most populated north of New York City.[5] According to the 2020 U.S. census, the county had a population of 1,004,457. Situated in the Hudson Valley, Westchester covers an area of 450 square miles (1,200 km2), consisting of six cities, 19 towns, and 23 villages. Established in 1683, Westchester was named after the city of Chester, England.[6][7] The county seat is the city of White Plains, while the most populous municipality in the county is the city of Yonkers, with an estimated 199,663 residents in 2018.

Westchester County
Clockwise from top: the original 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
Etymology: Chester, England
Interactive map of Westchester County
Coordinates: 41°09′N 73°46′W
CountryUnited States
StateNew York
RegionHudson Valley
Founded1683
County seatWhite Plains
Government
  County ExecutiveGeorge Latimer (D)
Area
  Total500 sq mi (1,280 km2)
  Land430 sq mi (1,100 km2)
  Water69 sq mi (180 km2)
Population
 (2020)[1]
  Total1,004,457
  Density2,000/sq mi (780/km2)
Demonym(s)Westchesterite[2][3]
Time zoneUTC−5 (North American EST)
  Summer (DST)UTC−4 (EDT)
ZIP Codes
105xx–108xx[nb 1]
Area code(s)914
Congressional districts16th, 17th, 18th
Largest cityYonkers
FIPS code36-119
GNIS feature ID974157
Websitewestchestergov.com

The annual per capita income for Westchester was $67,813 in 2011. The 2011 median household income of $77,006 was the fifth highest in New York (after Nassau, Putnam, Suffolk, and Rockland counties) and the 47th highest in the United States.[8] By 2014, the county's median household income had risen to $83,422.[9] 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.[10]

Westchester County is one of the centrally located counties within the New York metropolitan area. The county is positioned with New York City, plus Nassau and Suffolk counties (on Long Island, across 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. 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.[11] 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.[citation needed]