10 Most Densely Populated States in the United States in 2024

Population density is a key indicator of urbanization and resource allocation in any country. In the United States, some states are significantly more densely populated than others, reflecting the concentration of people in urban hubs, the availability of resources, and historical development. As of 2024, New Jersey holds the top position in the list of “Most Densely Populated States in the United States” with 1,267 people per square mile.  Explore the top 10 most densely populated states in 2024, including key details on population density, major cities, and landmarks.

Most Densely Populated States in the United States in 2024
Most Densely Populated States in the United States in 2024

Overview of the Top 10 Most Densely Populated States in 2024

Rank State Population Density (per square mile) Population Land Area (sq. miles)
1 New Jersey 1,267 9,320,865 8,723
2 Rhode Island 1,062 1,098,082 1,545
3 Massachusetts 900 7,020,058 10,554
4 Connecticut 749 3,625,646 5,543
5 Maryland 638 6,196,525 12,406
6 Delaware 536 1,044,321 2,489
7 Florida 428 22,975,931 65,758
8 New York 413 19,469,232 54,555
9 Pennsylvania 289 12,951,275 46,054
10 Ohio 289 11,812,173 44,826

1. New Jersey – 1,267 People per Square Mile

New Jersey is the most densely populated state in the United States, with an impressive density of 1,267 people per square mile. The state has a population of approximately 9,320,865 and covers a land area of 8,723 square miles. This high density is largely attributed to its proximity to major metropolitan areas like New York City and Philadelphia, contributing to its vibrant urban environment.

New Jersey

Detail Information
Population Density 1,267 people per square mile
Population 9,320,865
Land Area 8,723 square miles
Major Cities Newark (NJ), Jersey City (NJ), Paterson (NJ), Elizabeth (NJ), Edison (NJ)
Famous Landmarks Liberty State Park, The Jersey Shore, Thomas Edison National Historical Park

Interesting Facts About New Jersey:

  1. New Jersey is known for its rich colonial history and pivotal role in the American Revolution.
  2. It has the highest concentration of diners in the United States, earning it the nickname “The Diner Capital of the World.”
  3. The state is a significant hub for pharmaceuticals and biotechnology industries.

New Jersey holds the top position in the list of “Most Densely Populated States in the United States.”


2. Rhode Island – 1,062 People per Square Mile

Rhode Island, the smallest state by land area, has a population density of 1,062 people per square mile. With a population of 1,098,082 and covering 1,545 square miles, its high density is due to its compact size and significant urban development, particularly in Providence.

Rhode Island

Detail Information
Population Density 1,062 people per square mile
Population 1,098,082
Land Area 1,545 square miles
Major Cities Providence (RI), Warwick (RI), Cranston (RI), Pawtucket (RI), East Providence (RI)
Famous Landmarks The Breakers Mansion, WaterFire, Newport Mansions

Interesting Facts About Rhode Island:

  • Rhode Island was the first of the original 13 colonies to declare independence from Britain.
  • It is known for its maritime heritage and coastal towns with stunning beaches.

Rhode Island holds the second position in the list of “Most Densely Populated States in the United States.”


3. Massachusetts – 900 People per Square Mile

Massachusetts, with a population density of 900 people per square mile, has a significant urban population spread across its 10,554 square miles. The state’s dense population is concentrated around the Boston metropolitan area, which drives its high density.

Massachusetts

Detail Information
Population Density 900 people per square mile
Population 7,020,058
Land Area 10,554 square miles
Major Cities Boston (MA), Worcester (MA), Springfield (MA), Cambridge (MA), Lowell (MA)
Famous Landmarks Harvard University, Fenway Park, Plymouth Rock

Interesting Facts About Massachusetts:

  • The state is known for its significant role in American history, including the first American colony.
  • Massachusetts is a leader in higher education and healthcare, with numerous prestigious institutions.

Massachusetts holds the third position in the list of “Most Densely Populated States in the United States.”


4. Connecticut – 749 People per Square Mile

Connecticut has a population density of 749 people per square mile, reflecting its significant urban and suburban development. With a population of 3,625,646 and covering 5,543 square miles, its density is driven by the proximity to New York City and its own vibrant cities.

Connecticut

Detail Information
Population Density 749 people per square mile
Population 3,625,646
Land Area 5,543 square miles
Major Cities Hartford (CT), New Haven (CT), Bridgeport (CT), Stamford (CT), Waterbury (CT)
Famous Landmarks Yale University, Mystic Seaport, Mark Twain House

Interesting Facts About Connecticut:

  • Known as the “Constitution State,” it is home to the first written constitution in the Western tradition.
  • Connecticut has a rich maritime history, with its coastline dotted with historic ports and lighthouses.

Connecticut holds the fourth position in the list of “Most Densely Populated States in the United States.”


5. Maryland – 638 People per Square Mile

Maryland, with a population density of 638 people per square mile, boasts a population of 6,196,525 across 12,406 square miles. Its density is largely influenced by its proximity to Washington D.C. and Baltimore.

Maryland

Detail Information
Population Density 638 people per square mile
Population 6,196,525
Land Area 12,406 square miles
Major Cities Baltimore (MD), Annapolis (MD), Silver Spring (MD), Frederick (MD), Gaithersburg (MD)
Famous Landmarks National Harbor, Fort McHenry, Maryland State House

Interesting Facts About Maryland:

  • The state is known for its diverse geography, including mountains, beaches, and forests.
  • Maryland played a crucial role in the War of 1812, particularly with the defense of Baltimore.

Maryland holds the fifth position in the list of “Most Densely Populated States in the United States.”


6. Delaware – 536 People per Square Mile

Delaware, the second smallest state, has a population density of 536 people per square mile. With a population of 1,044,321 and an area of 2,489 square miles, its density is driven by its status as a major business hub and its proximity to larger metropolitan areas.

Delaware

Detail Information
Population Density 536 people per square mile
Population 1,044,321
Land Area 2,489 square miles
Major Cities Wilmington (DE), Dover (DE), Newark (DE), Middletown (DE)
Famous Landmarks Rehoboth Beach, Winterthur Museum, Delaware Memorial Bridge

Interesting Facts About Delaware:

  • Delaware is known for its business-friendly environment and is the legal home to many corporations.
  • It was the first state to ratify the U.S. Constitution.

Delaware holds the sixth position in the list of “Most Densely Populated States in the United States.”


7. Florida – 428 People per Square Mile

Florida’s population density of 428 people per square mile reflects its large and diverse population spread across 65,758 square miles. With a population of 22,975,931, Florida’s density is influenced by its major cities and extensive coastline.

Florida

Detail Information
Population Density 428 people per square mile
Population 22,975,931
Land Area 65,758 square miles
Major Cities Miami (FL), Orlando (FL), Tampa (FL), Jacksonville (FL), Fort Lauderdale (FL)
Famous Landmarks Walt Disney World, Everglades National Park, South Beach

Interesting Facts About Florida:

  • Florida is known for its unique Everglades ecosystem and extensive coastline.
  • The state is a major tourist destination, known for its beaches and theme parks.

Florida holds the seventh position in the list of “Most Densely Populated States in the United States.”


8. New York – 413 People per Square Mile

New York, with a population density of 413 people per square mile, has a significant urban population primarily in New York City. With a population of 19,469,232 and a land area of 54,555 square miles, its density is heavily influenced by the metropolitan area.

New York

Detail Information
Population Density 413 people per square mile
Population 19,469,232
Land Area 54,555 square miles
Major Cities New York City (NY), Buffalo (NY), Rochester (NY), Yonkers (NY), Syracuse (NY)
Famous Landmarks Statue of Liberty, Times Square, Niagara Falls

Interesting Facts About New York:

  • New York City is known as “The City That Never Sleeps” and is a global cultural and financial hub.
  • The state is home to diverse landscapes, from the Adirondack Mountains to the Atlantic coast.

New York holds the eighth position in the list of “Most Densely Populated States in the United States.”


9. Pennsylvania – 289 People per Square Mile

Pennsylvania has a population density of 289 people per square mile. With a population of 12,951,275 and a land area of 46,054 square miles, its density is influenced by its major cities and historical significance.

Pennsylvania

Detail Information
Population Density 289 people per square mile
Population 12,951,275
Land Area 46,054 square miles
Major Cities Philadelphia (PA), Pittsburgh (PA), Allentown (PA), Erie (PA), Reading (PA)
Famous Landmarks Liberty Bell, Gettysburg National Military Park, Philadelphia Museum of Art

Interesting Facts About Pennsylvania:

  • Pennsylvania played a crucial role in American history, including the signing of the Declaration of Independence.
  • The state is known for its rich industrial heritage and diverse cultural scene.

Pennsylvania holds the ninth position in the list of “Most Densely Populated States in the United States.”


10. Ohio – 289 People per Square Mile

Ohio also has a population density of 289 people per square mile. With a population of 11,812,173 and an area of 44,826 square miles, its density is influenced by its major cities and manufacturing centers.

Ohio

Detail Information
Population Density 289 people per square mile
Population 11,812,173
Land Area 44,826 square miles
Major Cities Columbus (OH), Cleveland (OH), Cincinnati (OH), Toledo (OH), Akron (OH)
Famous Landmarks Rock and Roll Hall of Fame, Cedar Point Amusement Park, National Museum of the U.S. Air Force

Interesting Facts About Ohio:

  • Ohio is known for its influential role in the development of aviation, with the Wright brothers hailing from Dayton.
  • It has a diverse economy, with strong sectors in manufacturing, finance, and education.

Ohio holds the tenth position in the list of “Most Densely Populated States in the United States.”


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