The term sixth borough is used to describe any of a number of places that are not politically within the borders of any of the
five boroughs of
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
but have been referred to as a
metaphor
A metaphor is a figure of speech that, for rhetorical effect, directly refers to one thing by mentioning another. It may provide, or obscure, clarity or identify hidden similarities between two different ideas. Metaphors are usually meant to cr ...
ical part of the city by virtue of their geographic location, demographic composition, special affiliation with New York City, or
cosmopolitan
Cosmopolitan may refer to:
Internationalism
* World citizen, one who eschews traditional geopolitical divisions derived from national citizenship
* Cosmopolitanism, the idea that all of humanity belongs to a single moral community
* Cosmopolitan ...
character. They include adjacent cities and counties in the
New York metropolitan area
The New York metropolitan area, also called the Tri-State area and sometimes referred to as Greater New York, is the List of cities by GDP, largest metropolitan economy in the world, with a List of U.S. metropolitan areas by GDP, gross metropo ...
as well as in other states,
U.S. territories, and foreign countries.
Within the New York metropolitan area
Historical proposals
The Westchester County cities of
Yonkers
Yonkers () is the List of municipalities in New York, third-most populous city in the U.S. state of New York (state), New York and the most-populous City (New York), city in Westchester County, New York, Westchester County. A centrally locate ...
and
Mount Vernon
Mount Vernon is the former residence and plantation of George Washington, a Founding Father, commander of the Continental Army in the Revolutionary War, and the first president of the United States, and his wife, Martha. An American landmar ...
directly border the northern part of
the Bronx
The Bronx ( ) is the northernmost of the five Boroughs of New York City, boroughs of New York City, coextensive with Bronx County, in the U.S. state of New York (state), New York. It shares a land border with Westchester County, New York, West ...
and share much of that borough's heavily urbanized character. In 1894, the voters of Yonkers and Mount Vernon, along with voters in other parts of southern Westchester, took part in a referendum to determine if they wanted to become part of New York City, along with the voters in Kings, Queens and Richmond Counties (today's
Brooklyn
Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelv ...
,
Queens
Queens is the largest by area of the Boroughs of New York City, five boroughs of New York City, coextensive with Queens County, in the U.S. state of New York (state), New York. Located near the western end of Long Island, it is bordered by the ...
, and
Staten Island
Staten Island ( ) is the southernmost of the boroughs of New York City, five boroughs of New York City, coextensive with Richmond County and situated at the southernmost point of New York (state), New York. The borough is separated from the ad ...
, respectively). At that time, the city consisted only of Manhattan and a portion of the present-day Bronx, which had been part of Westchester until it became part of New York City in 1874. While the results of the 1894 vote were positive elsewhere, including in several other adjacent sections of Westchester, which were then annexed to the city and which thus became part of the new borough of the Bronx, the returns were so negative in Yonkers and Mount Vernon that those two areas were not included in the consolidated city and remained independent municipalities. A subway connection was planned between
Getty Square
Getty Square is the name for downtown Yonkers, New York, Yonkers, New York (state), New York, centered on the town square, public square. Getty Square is the civic center, central business district, and Intermodal passenger transport, transit ...
in downtown Yonkers and the
New York City Subway
The New York City Subway is a rapid transit system in New York City serving the New York City boroughs, boroughs of Manhattan, Brooklyn, Queens, and the Bronx. It is owned by the government of New York City and leased to the New York City Tr ...
, but the project was abandoned after the failed merger vote. Local residents frequently refer to the area as "the sixth borough", referring to the two cities' location bordering the Bronx, the high number of local residents employed in Manhattan, and the area's similarly urban character.
In 1934, a bill submitted by New York City alderman Elias H. Jacobs proposed merging Yonkers into New York City as a sixth borough. Joseph F. Loehr, then Mayor of Yonkers, was opposed to the merger, despite Jacobs's argument that such a maneuver would cause a rise in real estate prices and increase quality of transit.
Hudson Waterfront

New Jersey's
Hudson Waterfront lies opposite Manhattan on the
North River, and during the
Dutch colonial era, it was under the jurisdiction of
New Amsterdam
New Amsterdam (, ) was a 17th-century Dutch Empire, Dutch settlement established at the southern tip of Manhattan Island that served as the seat of the colonial government in New Netherland. The initial trading ''Factory (trading post), fac ...
and known as
Bergen
Bergen (, ) is a city and municipalities of Norway, municipality in Vestland county on the Western Norway, west coast of Norway. Bergen is the list of towns and cities in Norway, second-largest city in Norway after the capital Oslo.
By May 20 ...
.
Jersey City
Jersey City is the List of municipalities in New Jersey, second-most populous and
Hoboken, and greater
Hudson County
Hudson County is a List of counties in New Jersey, county in the U.S. state of New Jersey, its smallest and most densely populated. Lying in the northeast of the state and on the west bank of the North River (Hudson River), Hudson River, the No ...
(of which they are part), are sometimes referred to as the sixth borough, given their proximity and connections by
PATH trains to the city.
Fort Lee, in
Bergen County
Bergen County is the List of counties in New Jersey, most populous County (United States), county in the U.S. state of New Jersey.[George Washington Bridge
The George Washington Bridge is a double-decked suspension bridge spanning the Hudson River, connecting Fort Lee in Bergen County, New Jersey, with the Washington Heights neighborhood of Manhattan, New York City. It is named after George W ...]
, has also been called the sixth borough.
In the 1920s, soon after the creation of the
Port Authority of New York and New Jersey
The Port Authority of New York and New Jersey, (PANYNJ; stylized, in logo since 2020, as Port Authority NY NJ) is a joint venture between the U.S. states of New York (state), New York and New Jersey, established in 1921 through an interstate c ...
, there were calls to integrate the rail and subway system in New York and northern New Jersey by
expanding the New York City Subway. After Mayor Bloomberg called for the
7 Subway Extension to continue to
Secaucus Junction
Secaucus Junction (signed as Secaucus) is an intermodal transit hub served by New Jersey Transit Rail Operations, New Jersey Transit (NJ Transit) and Metro-North Railroad in Secaucus, New Jersey, Secaucus, New Jersey. It is one of the List of b ...
, a
feasibility study
A feasibility study is an assessment of the practicality of a project or system. A feasibility study aims to objectively and rationally uncover the strengths and weaknesses of an existing business or proposed venture, opportunities and threats pr ...
was conducted and released in April 2013.
Waterways and islands

In 2011, New York Mayor
Michael Bloomberg
Michael Rubens Bloomberg (born February 14, 1942) is an American businessman and politician. He is the majority owner and co-founder of Bloomberg L.P., and was its CEO from 1981 to 2001 and again from 2014 to 2023. He served as the 108th mayo ...
referred to the city's
waterfront and waterways as a composite sixth borough during presentations of planned rehabilitation projects along the city's shoreline, including
Governors Island
Governors Island is a island in New York Harbor, within the Boroughs of New York City, New York City borough of Manhattan. It is located approximately south of Manhattan Island, and is separated from Brooklyn to the east by the Buttermilk ...
in the
Upper New York Bay
New York Harbor is a bay that covers all of the Upper Bay. It is at the mouth of the Hudson River near the East River tidal estuary on the East Coast of the United States.
New York Harbor is generally synonymous with Upper New York Bay ...
. Other individuals have also referred to the city's waterways as a sixth borough.
Rikers Island
Rikers Island is a prison island in the East River in the Bronx, New York (state), New York, United States, that contains New York City's largest jail.
Named after Abraham Rycken, who took possession of the island in 1664, the island was orig ...
has been called the sixth borough as well.
Several 20th- and 21st-century proposals have been made for a drastic
Lower Manhattan expansion encompassing Governors Island, and have sometimes been characterized as visions for a "sixth borough".
Other communities within the New York metropolitan area
Other communities within the New York City Consolidated Statistical Area have often been referred to as sixth boroughs, especially diverse urban centers such as
Stamford and
New Haven
New Haven is a city of the U.S. state of Connecticut. It is located on New Haven Harbor on the northern shore of Long Island Sound. With a population of 135,081 as determined by the 2020 U.S. census, New Haven is the third largest city in Co ...
. Historically, these nearby cities have drawn in significant populations from New York City through outmigration and also share similar cultural characteristics with the city, such as disproportionately large Italian and Jewish American populations.
Outside the New York metropolitan area
Places outside the New York metropolitan area that are home to large populations of former New Yorkers have also been referred to as the "sixth borough", including
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
;
Miami
Miami is a East Coast of the United States, coastal city in the U.S. state of Florida and the county seat of Miami-Dade County, Florida, Miami-Dade County in South Florida. It is the core of the Miami metropolitan area, which, with a populat ...
, and
South Florida
South Florida, sometimes colloquially shortened to SoFlo, is the Regions of the United States#Florida, southernmost region of the U.S. state of Florida. It is one of Florida's three most commonly referred to directional regions; the two others are ...
in general;
Los Angeles
Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
; and, outside the continental U.S.,
Puerto Rico
; abbreviated PR), officially the Commonwealth of Puerto Rico, is a Government of Puerto Rico, self-governing Caribbean Geography of Puerto Rico, archipelago and island organized as an Territories of the United States, unincorporated territo ...
. and
Israel
Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...
Among those places referred to as a sixth borough are locations as diverse as
Beverly Hills, California
Beverly Hills is a city located in Los Angeles County, California, United States. A notable and historic suburb of Los Angeles, it is located just southwest of the Hollywood Hills, approximately northwest of downtown Los Angeles. Beverly Hills ...
, and
Nashville, Tennessee
Nashville, often known as Music City, is the capital and List of municipalities in Tennessee, most populous city in the U.S. state of Tennessee. It is the county seat, seat of Davidson County, Tennessee, Davidson County in Middle Tennessee, locat ...
.
Philadelphia
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
has been cited as a "sixth borough" due to its proximity to New York and the movement of New York residents to Philadelphia for various reasons, including lower rent prices and a generally lower cost of living.
The nickname has been met with apprehension by both Philadelphia and New York publications. Some have even disputed inaccurate reporting about Philadelphia by New York–based reporters.
China
Foreign countries, such as
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
, have also been referred to as a "sixth borough." In China's instance, it is referred to as the "sixth borough" by some media because many Chinese companies invest in developments in Brooklyn, such as
Pacific Park.
Other uses
Manhattan College
Manhattan University (previously Manhattan College) is a private, Catholic university in New York City. Originally established in 1853 by the De La Salle Christian Brothers (Institute of the Brothers of the Christian Schools) as an academy fo ...
, located in
Riverdale, Bronx
Riverdale is a residential neighborhood in the northwestern portion of the New York City borough of the Bronx. Riverdale, which had a population of 47,850 as of the 2000 United States Census, contains the city's northernmost point at the Colle ...
, refers to its
Jaspers student cheering section as "The 6th Borough" at home basketball games played in
Draddy Gymnasium. In addition, the
University of Connecticut
The University of Connecticut (UConn) is a public land-grant research university system with its main campus in Storrs, Connecticut, United States. It was founded in 1881 as the Storrs Agricultural School, named after two benefactors. In 1893, ...
(UConn) has often promoted its
Huskies sports teams, especially in
men's basketball
Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular Basketball court, court, compete with the primary objective of #Shooting, shooting a basketball (ball), basketball (appro ...
, as "the Sixth Borough", given the dominance of that team in games played at
Madison Square Garden
Madison Square Garden, colloquially known as the Garden or by its initials MSG, is a multi-purpose indoor arena in New York City. It is located in Midtown Manhattan between Seventh Avenue (Manhattan), Seventh and Eighth Avenue (Manhattan), Eig ...
. UConn also sells a T-shirt making this claim.
Jonathan Safran Foer
Jonathan Safran Foer (; born February 21, 1977) is an American novelist. He is known for his novels '' Everything Is Illuminated'' (2002), '' Extremely Loud & Incredibly Close'' (2005), '' Here I Am'' (2016), and for his non-fiction works '' Eat ...
published a short story about a fictional sixth borough, an island that gradually floated away. The story was featured in his novel ''
Extremely Loud and Incredibly Close''.
A parallel concept in France is the "21st
arrondissement of Paris", while in the United Kingdom, the
City of London
The City of London, also known as ''the City'', is a Ceremonial counties of England, ceremonial county and Districts of England, local government district with City status in the United Kingdom, city status in England. It is the Old town, his ...
is sometimes thought of as the "33rd
borough of London", although it is not, strictly speaking, a borough.
References
{{New York City
Culture of New York City
*
History of United States expansionism
Lists of proposals