The Big Island of Hawaii is the largest island in the United States.

The Largest Islands In The United States

The largest islands in the United States represent not only geological wonders but also cultural and ecological treasures of immense value. From the volcanic landscapes of Hawaii to the pristine wilderness of Alaska, these islands offer a glimpse into the rich tapestry of life on Earth. The largest island in the United States is the "Big Island" of Hawaii, spanning an impressive land area of 4,029 square miles. Following suit, the remaining top 10 largest islands in the country find their home in the vast expanses of Alaska, with a notable exception being Long Island, situated off the coast of New York.

The 5 Largest Islands in the United States

Hawaii - 4,029 Square Miles

Akaka falls, Big Island, Hawaii - Image credits: Francesco Carucci via Shutterstock

The "Big Island", despite its grandeur, is home to around 200,000 people. Its geography is nothing short of remarkable, from towering volcanoes to lush rainforests and black sand beaches, Hawaii offers a diverse tapestry of ecosystems just waiting to be explored. Beyond its natural beauty, Hawaii holds profound cultural significance, serving as the ancestral home of the indigenous Hawaiian people. The island is steeped in ancient traditions, with sacred sites and cultural landmarks dotting its terrain. Visitors can immerse themselves in the rich tapestry of Hawaiian culture through traditional hula performances, luaus, and visits to historic sites such as Pu'uhonua o Honaunau National Historical Park and the 'Imiloa Astronomy Center.

Kodiak - 3,672 Square Miles

Cliffs at Kodiak Island, Alaska. Image credits: bradley pietzyk via Shutterstock

Kodiak, the largest island in the state of Alaska and the second largest island in the entire United States, predominantly comprises untamed wilderness, offering vast expanses of pristine natural beauty. With its population scattered sparsely across the island, the largest settlement is home to approximately 6,000 residents. Located off the coast of southern Alaska, Kodiak Island is renowned for its stunning natural beauty and abundant wildlife. Towering mountains, beautiful forests, and rugged coastlines characterize its landscape, providing a haven for outdoor enthusiasts and nature lovers. It is particularly famous for its population of Kodiak bears, the largest subspecies of brown bears in the world. These majestic creatures roam freely across the island, fishing for salmon in its rivers and streams. Additionally, the island is home to a diverse array of marine life, including whales, seals, and sea otters, making it a paradise for wildlife enthusiasts.

Puerto Rico - 3,515 Square Miles

Scenic view of historic Puerto Rico. Image credits: Kent Weakley via Shutterstock

Nestled in the Caribbean Sea, Puerto Rico is an unincorporated territory of the United States, comprising the main island of Puerto Rico and several smaller islands. Boasting a rich historical tapestry, a vibrant cultural scene, and breathtaking natural landscapes, Puerto Rico ranks among the most densely populated areas within the United States territory with a population surpassing 3 million people. 

Puerto Rico attracts millions of visitors annually from all over the world with its cultural richness and awe-inspiring natural wonders. The El Yunque National Forest, the only tropical rainforest in the U.S. National Forest System, offers a network of hiking trails, majestic waterfalls, and sweeping vistas. Similarly, the bioluminescent bays of Vieques and Fajardo mesmerize visitors creating a truly magical experience.

Prince of Wales - 2,577 Square Miles

Aerial view of Prince of Wales island, Alaska. Image credits: Andrea Izzotti via Shutterstock

Located in the Alexander Archipelago of southeastern Alaska, Prince of Wales Island is the fourth largest island in the United States. With its largest settlement boasting a population of approximately 6,000 residents, Prince of Wales Island maintains a serene and sparsely populated environment, allowing its inhabitants to enjoy a tranquil way of life amidst the island's abundant wildlife and breathtaking scenery. Prince of Wales Island offers a plethora of outdoor recreational opportunities, including hiking, fishing, kayaking, and wildlife viewing. Its extensive network of trails provides access to remote wilderness areas, where visitors can immerse themselves in the island's natural beauty and solitude.

Chichagof - 2,080 Square Miles

The scenic Basket Creek, Chichagof Island, Alaska. Image credits: Danita Delimont via Shutterstock

Chichagof Island, a rugged gem nestled in the picturesque wilderness of southeastern Alaska, stands as one of the largest islands in the United States. While exact population figures fluctuate due to seasonal and transient residents, the island's permanent population is relatively small, with its largest settlement, Hoonah, housing around 760 residents. This sparse population allows Chichagof Island to retain its pristine natural beauty, offering residents and visitors alike the opportunity to immerse themselves in the island's stunning landscapes, abundant wildlife, and rich cultural heritage. Despite its modest population, Chichagof Island teems with life, both flora and fauna. 

Rank Island State Land Area (Square Miles)
1 Hawaii, Hawaii Hawaii 4,029
2 Kodiak, Alaska Alaska 3,672
3 Puerto Rico* *Territory of the United States 3,515
4 Prince of Wales, Alaska Alaska 2,577
5 Chichagof, Alaska Alaska 2,080
6 Saint Lawrence, Alaska Alaska 1,710
7 Admiralty, Alaska Alaska 1,684
8 Nunivak, Alaska Alaska 1,632
9 Baranof, Alaska Alaska 1569
10 Unimak, Alaska Alaska 1,590
11 Long Island, NY New York 1,401
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