Oahu

Oahu
Name	Oahu
Location	North Pacific Ocean
Archipelago	Hawaiian Islands
Area km2	1545
Highest mount	Kaʻala
Elevation m	1220
Population	1,016,508
Population as of	2020

Oahu. Known as "The Gathering Place," it is the third-largest and most populous of the Hawaiian Islands. Home to the state capital Honolulu and iconic landmarks like Pearl Harbor and Waikiki, the island serves as the economic, political, and cultural heart of Hawaii. Its diverse landscapes range from the metropolitan urban core to the famed surfing beaches of the North Shore and the verdant cliffs of the Koʻolau Range.

Geography

The island is characterized by two major mountain ranges: the older, deeply eroded Waiʻanae Range to the west and the younger, razor-backed Koʻolau Range to the east, formed by the remnants of a massive shield volcano. These ranges are separated by the broad Schofield Plateau and the fertile Central Oahu plain. Notable geographic features include the extinct tuff cone Diamond Head, the sunken Mokulua islets off Lanikai Beach, and the protected waters of Kaneohe Bay. The coastline varies dramatically from the bustling ports of Honolulu Harbor to the world-renowned big-wave surfing sites like Banzai Pipeline and Waimea Bay.

History

Early settlement by Polynesian voyagers occurred around the 11th century, with the island later becoming the seat of power for the ancient Hawaiian chiefs of the Kingdom of Hawaii. Key events include the unification of the islands under Kamehameha I following the Battle of Nuʻuanu in 1795. The 19th century saw the arrival of American Protestant missionaries, the establishment of ʻIolani Palace, and the overthrow of the Hawaiian Kingdom in 1893. The Attack on Pearl Harbor on December 7, 1941, by the Imperial Japanese Navy precipitated the entry of the United States into World War II. Oahu achieved statehood with Hawaii in 1959 and later hosted the 2011 APEC summit.

Demographics

With over one million residents, it is the most ethnically diverse county in the United States. Major ethnic groups include those of Asian ancestry (particularly Japanese, Filipino, and Chinese), Native Hawaiians, Pacific Islanders, and a significant Caucasian population. The primary languages are English and Hawaiian, with notable communities speaking Ilocano, Tagalog, and various Chinese dialects. The population is heavily concentrated in the City and County of Honolulu, which encompasses the entire island.

Economy

The economy is dominated by tourism, with major destinations including Waikiki, Polynesian Cultural Center, and the USS Arizona Memorial. It is a central hub for U.S. Indo-Pacific Command and military installations such as Joint Base Pearl Harbor–Hickam, Marine Corps Base Hawaii, and Schofield Barracks, which provide substantial employment. Other key sectors include international business and finance centered in downtown Honolulu, home to institutions like the Bank of Hawaii and First Hawaiian Bank. The island also supports agriculture, including Dole and Del Monte pineapple plantations, and coffee farms in the Wahiawa region.

Culture and recreation

The island is a global center for surfing, hosting major competitions like the Vans Triple Crown of Surfing on the North Shore. It is the birthplace of modern hula and home to cultural institutions such as the Bishop Museum and the Honolulu Museum of Art. Annual events include the Honolulu Festival, the Aloha Festivals, and the Sony Open in Hawaii golf tournament. Recreational attractions span from hiking trails like the Diamond Head Lighthouse Trail to historic sites like the ʻIolani Palace and the vibrant nightlife and dining scenes in Chinatown and Kakaako.

Government

The entire island is governed by the City and County of Honolulu, a consolidated city-county with a strong mayor and a nine-member Honolulu City Council. It houses the state government at the Hawaii State Capitol and the Washington Place governor's residence. The island is represented in the United States Congress by Senators and members of the House of Representatives and is a key political base for figures like former U.S. Senator Daniel Inouye. The State Judiciary is headquartered in Aliʻiōlani Hale, home of the Hawaii State Supreme Court.

Category:Hawaiian Islands Category:Islands of Hawaii Category:Honolulu County, Hawaii