East Coast of the United States

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East Coast of the United States
Map of the East Coast of the United States, excluding subdivisions with tidal arms of the Atlantic
Country United States
 (2017 estimate)
 • Total118,042,627[1]
Time zoneUTC−5:00 (Eastern Time Zone (ETZ))
 • Summer (DST)UTC−4:00 (Eastern Daylight Time (EDT))

The East Coast of the United States, also known as the Eastern Seaboard, the Atlantic Coast, and the Atlantic Seaboard, is the coastline along which the Eastern United States meets the North Atlantic Ocean. Regionally, the term refers to the coastal states and area east of the Appalachian Mountains that have shoreline on the Atlantic Ocean, from north to south, Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, and Florida.[2]

Toponymy and composition[edit]

The place name "East Coast" derives from the idea that the contiguous 48 states are defined by two major coastlines, one at the western edge and one on the eastern edge. Other terms for referring to this area include the "Eastern Seaboard" ("seaboard" being American English for coast), "Atlantic Coast", and "Atlantic Seaboard" (because the coastline lies along the Atlantic Ocean).

The 14 states that have a shoreline on the Atlantic Ocean are, from north to south, Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, and Florida.[2] In addition, Pennsylvania and the District of Columbia border tidal arms of the Atlantic (the Delaware River and the Potomac River, respectively). The states of Alabama, Mississippi, Louisiana, and Texas, (via the Gulf of Mexico) as well as the territories of Puerto Rico, the US Virgin Islands, and Navassa Island (the latter only bordering the Caribbean Sea) have Atlantic coastline, but are not included in the definition.

Although Vermont and West Virginia have no Atlantic coastline, they are grouped with the Eastern Seaboard states because of their locations in New England and the Old South,[3] and their history as part of the land base of the original Thirteen Colonies (viz. the Colony of New Hampshire, the Colony of New York and the Colony of Virginia).

Colonial history[edit]

The original 13 colonies of Great Britain in North America all lay along the East Coast.[a]

Two additional U.S. states on the East Coast were not among the original thirteen colonies: Maine (became part of the English colony of Massachusetts in 1677)[4] and Florida (part of New Spain until 1821, though held by the British from after the end of the French and Indian War until 1781). Florida's written history begins with the arrival of Europeans; the Spanish explorer Juan Ponce de León in 1513 made the first textual records. The state received its name from this Spanish conquistador, who called the peninsula La Pascua Florida in recognition of the verdant landscape and because it was the Easter season, which the Spaniards called Pascua Florida (Festival of Flowers).[5]

The Middle Colonies (New Jersey, Pennsylvania, New York, and Delaware) had been owned by the Dutch as New Netherland, until they were captured by the English in the mid-to-late 17th century.[citation needed]

Climate and physical geography[edit]

There are three basic climate regions on the East Coast according to the Köppen climate classification from north to south based on the monthly mean temperature of the coldest month (January):

The region from northern Maine south to northern Connecticut has a continental climate, with warm summers, and cold and snowy winters. The area from southern Connecticut south to southern North Carolina has a temperate climate, with long, hot summers and cool winters, while the area from southern North Carolina south to central Florida is subtropical, with hot and rainy summers, and mild and drier winters. Around south-central Florida southward (Stuart, south through the Florida Keys) has a tropical climate, which is frost free and is warm to hot all year.

Average monthly precipitation ranges from a slight late fall (November) maximum from Massachusetts northward (as at Portland, Maine), to a slight summer maximum in the Mid-Atlantic states from southern Connecticut south to Virginia (as at Wilmington, Delaware, and Norfolk, Virginia), to a more pronounced summer maximum from Cape Hatteras, North Carolina, southward along the Southeastern United States coast to Savannah, Georgia. The Florida peninsula has a sharp wet-summer/dry-winter pattern, with 60 to 70 percent of precipitation falling between June and October in an average year, and a dry, and sunny late fall, winter, and early spring.

Although landfalls are rare, the Eastern seaboard is susceptible to hurricanes in the Atlantic hurricane season, officially running from June 1 to November 30, although hurricanes can occur before or after these dates.[6] Hurricanes Hazel, Hugo, Bob, Isabel, Irene, Sandy, and most recently Florence and Isaias are some of the more significant storms to have affected the region.

The East Coast is a low-relief, passive margin coast.[7] It has been shaped by the Pleistocene glaciation in the far northern areas in New England, with offshore islands such as Nantucket, Block Island, Fishers Island. From around northern New Jersey southward, the coastal plain broadens southwards, separated from the Piedmont region by the Atlantic Seaboard fall line of the East Coast rivers, often marking the head of navigation and prominent sites of cities. The coastal areas from Long Island south to Florida are often made up of barrier islands that front the coastal areas, with the long stretches of sandy beaches. Many of the larger capes along the lower East Coast are in fact barrier islands, like the Outer Banks of North Carolina and Cape Canaveral, Florida. The Florida Keys are made up of limestone coral and provide the only coral reefs on the US mainland.


In 2010, the population of the states which have shoreline on the East Coast was estimated at 112,642,503 (36% of the country's total population). New York City is both the largest city and the largest metropolitan area on the East Coast. The East Coast is the most populated coastal area in the United States.[8]

Major cities and metropolitan areas
City City Population Metro Population State U.S. Rank
Manhattan - Staten Island Ferry, New York, NY, USA - August 19, 2015 05.jpg
New York City
8,398,748 19,979,477  New York 1
Philadelphia skyline from South Street Bridge January 2020.jpeg
1,584,138 6,096,120  Pennsylvania 6
WashMonument WhiteHouse.jpg
705,749 6,216,589  District of Columbia 20
Downtown Miami (8204604490).jpg
470,914 6,158,824  Florida 40
Boston Skyline (193150499).jpeg
694,583 4,628,910  Massachusetts 21
Bmore skyline inner harbor.jpg
602,495 2,802,789  Maryland 30
The city beautiful.jpg
285,713 2,387,138  Florida 71
903,889 1,523,615  Florida 12
Virginia Beach from Fishing Pier.jpg
Virginia Beach
450,138 1,725,246  Virginia 44
Portland Waterfront.jpeg
Portland, Maine
66,417 538,500  Maine 519
Providence RI skyline2.jpg
Providence, Rhode Island
179,335 1,604,291  Rhode Island 134
New Haven from East Rock cropped.jpg
New Haven
130,418 862,477  Connecticut 210
View of Downtown Bridgeport from stairs next to Cabaret Theater
144,900 939,904  Connecticut 182
Stamford Connecticut Skyline Aug 2017.jpg
Stamford, Connecticut
129,775 916,829  Connecticut 211
Newark October 2016 panorama.jpg
Newark, New Jersey
282,090 19,979,477  New Jersey 73
Jersey City skyline - June 2017.jpg
Jersey City
265,549 19,979,477  New Jersey 78
Paterson, New Jersey
145,627 19,979,477  New Jersey 180
Elizabeth, New Jersey
128,885 19,979,477  New Jersey 215
Jonathan Dunham House WoodbridgeNJ Built1671.JPG
Woodbridge Township, New Jersey
100,450 19,979,477  New Jersey 311
Edison, New Jersey
100,693 19,979,477  New Jersey 310
Wilmington Delaware skyline.jpg
Wilmington, Delaware
70,635 6,069,875  Delaware
Metropolitan Columbia.jpg
Columbia, Maryland
103,467 9,764,315  Maryland
Mid-Atlantic Federal Credit Union, Germantown, Maryland, May 24, 2014.JPG
Germantown, Maryland
90,494 9,764,315  Maryland
Old Town Alexandria.jpg
Alexandria, Virginia
159,428 9,764,315  Virginia
Falls of the James, Downtown Richmond, Virginia, 2008.JPG
Richmond, Virginia
228,783 1,260,029  Virginia
Skyline of Downtown Norfolk Looking Towards Portsmouth.jpg
Norfolk, Virginia
244,076 1,672,319  Virginia
Saint Benedict's Parish (Chesapeake, Virginia) - exterior 2.jpg
Chesapeake, Virginia
244,835 1,672,319  Virginia
Downtown Newport News.jpg
Newport News, Virginia
179,225 1,672,319  Virginia
Fort Monroe Aerial.jpg
Hampton, Virginia
134,510 1,672,319  Virginia
US Navy 030820-N-9851B-011 Tug boats guide USS Harry S. Truman (CVN 75) up the Elizabeth River, past Portsmouth landmarks.jpg
Portsmouth, Virginia
94,632 1,672,319  Virginia
Wilmington theater and banking area.JPG
Wilmington, North Carolina
122,607 282,573  North Carolina
Fayetteville Street in downtown Raleigh, North Carolina.jpg
469,298 1,337,331  North Carolina
Charlotte Skyline 2011 - Ricky W.jpg
Charlotte, North Carolina
872,498 2,636,883  North Carolina
TheMarketHouse FAY.jpg
Fayetteville, North Carolina
209,468 386,662  North Carolina
Edmondston-Alston with carriage tour.jpg
Charleston, South Carolina
136,208 802,122  South Carolina
Lady Street edited.jpg
Columbia, South Carolina
133,451 838,433  South Carolina
Augusta Georgia Broad Street Lamar Building.jpg
Augusta, Georgia
196,939 600,151  Georgia
Savannah river street.jpg
Savannah, Georgia
145,862 389,494  Georgia
Atlanta Downtown July 2010.JPG
498,044 5,949,951  Georgia
Palm Ave-Hialeah - panoramio.jpg
238,942 5,828,191  Florida
Psl golf course.jpg
Port St. Lucie
195,248 438,095  Florida
Skyline of Fort Lauderdale, Nov-15.jpg
Fort Lauderdale
182,595 5,762,717  Florida
BCC South Campus - panoramio.jpg
Pembroke Pines
172,374 5,762,717  Florida
Hollywood FL Hollywood Blvd HD01.jpg
Hollywood, Florida
154,823 5,762,717  Florida
Miramar, Florida 140,823 5,762,717  Florida
Coral Springs downtown January 2019.jpg
Coral Springs
133,507 5,762,717  Florida
CR514 East - Road Shade (29271012308).jpg
Palm Bay, Florida
114,194 543,376  Florida
Miami Gardens FL Sunshine State Arch 01.JPG
Miami Gardens, Florida
113,069 5,762,717  Florida
Briney Avenue, Pompano Beach - Panorama.jpg
Pompano Beach
111,954 5,762,717  Florida
West Palm Beach Aerial November 2014 photo D Ramey Logan.jpg
West Palm Beach
111,398 5,762,717  Florida


The primary Interstate Highway along the East Coast is Interstate 95, completed in 2018,[9][10] which replaced the historic U.S. Route 1 (Atlantic Highway), the original federal highway that traversed all East Coast states, except Delaware.[11] By water, the East Coast is connected from Boston, Massachusetts to Miami, Florida, by the Intracoastal Waterway, also known as the East Coast Canal, which was completed in 1912.[12][13] Amtrak's Downeaster and Northeast Regional offer the main passenger rail service on the Seaboard. The Acela Express offers the only high-speed rail passenger service in the Americas. Between New York and Boston the Acela Express has up to a 54% share of the combined train and air passenger market.[14][15]

Some of the largest airports in the United States are located along the East Coast of the United States, such as John F. Kennedy International Airport in New York, Logan International Airport in Boston, Newark Liberty Airport in Newark, New Jersey, Philadelphia International Airport in Philadelphia, Baltimore–Washington International Airport near Baltimore, Washington-Dulles International Airport near Washington, D.C., Hartsfield International Airport in Atlanta, Miami International Airport in Miami, Charlotte Douglas International Airport in Charlotte, North Carolina, Tampa International Airport in Tampa and Orlando International Airport in Orlando, Florida.


As the first spot in the United States that immigrants arrived and the close proximity of Europe, the Caribbean, and Latin America, the East Coast is home to a diverse population and home to multi-cultures when compared to the rest of the USA. From the strong Latin culture in southern Florida and New York City, to the 200 year old Gullah culture of the low country coastal islands of Georgia and South Carolina, to the many historic cities in the Middle Atlantic where a strong English, German, Italian, Irish, and French culture are present, the East Coast is significantly more diverse than the rest of the United States. Chinatown in New York City and Little Havana in Miami are examples of such cultural centers in the bigger cities, .

The East Coast is home to much of the political and financial power of the United States, as well as the center for resort and travel destinations in the United States. New York City is the largest city and financial capital of the United States and one of the top financial powerhouse cities in the world. Seventy-one of the worlds fortune 500 companies have their corporate headquarters in New York City, while Midtown Manhattan with 400 million square feet of office space in 2018, is the largest central business district in the world. Washington, D.C. is the capital and political nerve center of the United States. Many organizations such as defense contractors, civilian contractors, nonprofit organizations, lobbying firms, trade unions, industry trade groups, and professional associations have their headquarters in or near Washington, D.C., in order to be close to the federal government.

Miami and Florida are one of the top domestic and international travel destinations in the United States. Miami is the warmest major city in the United States in winter, this factor contributes to it being a major tourism hub for international visitors. Miami has one of the largest concentrations of international banks in the United States, and the third tallest skyline in the U.S. with over 300 high-rises, 55 of which exceed 490 ft (149 m). The port of Miami is the busiest cruise port in the world in both passenger traffic and cruise lines, with over 5.5 million cruise passengers passing through the port each year. The center for tropical plant culture and research in the United States is based in Miami at Fairchild Tropical Botanic Garden, while the state of Florida is the number two producer of oranges in the world behind Brazil.

See also[edit]


  1. ^ Those colonies were New Hampshire, Massachusetts Bay, Rhode Island and Providence Plantations, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, South Carolina, and Georgia. While Pennsylvania is not directly along the Atlantic shoreline, it borders the tidal portion of the Delaware River, and the city of Philadelphia was a major seaport.


  1. ^ "East Coast States 2020". Retrieved April 12, 2020.
  2. ^ a b General Reference Map Archived October 17, 2012, at the Wayback Machine, National Atlas of the United States, 2003.
  3. ^ "NOAA Chart Locator". National Oceanographic and Atmospheric Administration. Archived from the original on March 9, 2013. Retrieved February 21, 2013.
  4. ^ "1500-1667 Contact & Conflict". Maine History Online.
  5. ^ "A Brief History - Florida Department of State". www.flheritage.com.
  6. ^ Neal Dorst. "Frequently Asked Questions: When is hurricane season?". Hurricane Research Division, NOAA. Archived from the original on May 6, 2009. Retrieved March 14, 2016.
  7. ^ Gabler, Robert E.; Petersen, James F.; Trapasso, L. Michael; Sack, Dorothy (2008). Physical Geography. Cengage Learning. p. 575. ISBN 978-0495555063. Retrieved March 14, 2016.
  8. ^ 2010 Census: Resident Population Data Archived October 19, 2013, at the Wayback Machine
  9. ^ Griffin, Riley. "After 60 Years, I-95 Is Complete". Bloomberg. Retrieved January 20, 2019.
  10. ^ Geewax, Marilyn (August 20, 2010). "Starting A Journey On I-95, The Road Most Traveled" (transcript). NPR.org. National Public Radio. Archived from the original on July 30, 2018. Retrieved July 30, 2018.
  11. ^ "U.S. 1: Fort Kent, Maine to Key West, Florida". Federal Highway Administration, U.S. Department of Transportation. April 7, 2011. Archived from the original on March 4, 2016. Retrieved March 14, 2016.
  12. ^ Reiley, Laura (2008). Florida Gulf Coast. Moon Handbooks. p. 373. ISBN 9781598800821.
  13. ^ Maurice J. Robinson (2008). Ponte Vedra Beach: A History. p. 89. ISBN 9781596294417.
  14. ^ Nixon, Ron (August 15, 2012). "Air Travel's Hassles drive riders to Amtrak's Acela". The New York Times. Archived from the original on July 22, 2016. (for Acela express passenger numbers only)
  15. ^ "The Information: Most popular airline routes". Financial Times. January 17, 2009. Archived from the original on January 21, 2009. Retrieved February 2, 2010.