Hawaii, the only U.S. state composed entirely of islands, is located in the Pacific Ocean and is known as the “Aloha State,” a reflection of its welcoming culture. With 1.4 million people, Honolulu is both the capital and the largest city, serving as a major hub for tourism and military defense.
10 Largest Cities in Hawaii
1. Honolulu (Hawaii)
City Facts
- County: Honolulu County
- Area: 68.4 square miles
- Population: 345,064 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96801-96850
- Latitude/Longitude: 21.3069° N, 157.8583° W
Location and History
Honolulu, the capital of Hawaii, is located on the island of Oʻahu, along its southeastern coast. The city became a significant hub in the Hawaiian Islands when King Kamehameha I conquered Oʻahu in 1804. By the mid-19th century, it was designated as the capital of the Kingdom of Hawaii. Honolulu’s natural harbor, Pearl Harbor, has been an important center for international trade and military defense. The city gained global attention on December 7, 1941, when the Japanese attack on Pearl Harbor marked the United States’ entry into World War II. Today, Honolulu is Hawaii’s largest city, a bustling urban center that combines business, tourism, and rich cultural heritage.
Major Landmarks
- Waikiki Beach: One of the most famous beaches in the world, known for its white sand, surfing, and resorts.
- Pearl Harbor National Memorial: A historic site commemorating the attack on Pearl Harbor, including the USS Arizona Memorial.
- Diamond Head State Monument: A volcanic tuff cone offering hiking trails and panoramic views of Honolulu.
- Iolani Palace: The only royal palace in the United States, which served as the residence of Hawaiian monarchs.
- Honolulu Museum of Art: Hawaii’s largest art museum, featuring extensive collections of Asian and Pacific art.
Major Highways
Honolulu is served by three major highways. Interstate H-1 is the main east-west freeway that runs through the city, connecting downtown to the western and eastern suburbs. Interstate H-201 serves as a secondary route, linking H-1 with military bases such as Pearl Harbor. Nimitz Highway (Route 92) runs parallel to H-1, providing access to Honolulu International Airport and the downtown area. Interstate H-2 connects to the city’s northern neighborhoods and military installations. Additionally, Kalanianaole Highway (Route 72) runs along the southeastern coast, connecting Honolulu to residential and beach communities.
2. East Honolulu (Hawaii)
City Facts
- County: Honolulu County
- Area: 3.4 square miles
- Population: 49,914 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96821-96825
- Latitude/Longitude: 21.2769° N, 157.7169° W
Location and History
East Honolulu is a residential area located east of downtown Honolulu, stretching along the southeastern coast of Oʻahu. The region is characterized by its affluent neighborhoods, including Hawaiʻi Kai, ʻĀina Haina, and Niu Valley. Originally, this part of the island was mainly agricultural, but it transformed into a suburban area in the mid-20th century as Honolulu expanded. Today, East Honolulu is known for its proximity to scenic beaches, outdoor recreational opportunities, and luxury homes. While primarily residential, East Honolulu is home to several important cultural and natural attractions.
Major Landmarks
- Hanauma Bay Nature Preserve: A protected marine life conservation area and one of Hawaii’s best snorkeling spots.
- Koko Crater Trail: A challenging hike up an old railway track to the summit of Koko Head, offering stunning views.
- Maunalua Bay Beach Park: A popular spot for kayaking, stand-up paddleboarding, and scenic views of the Pacific Ocean.
- Koko Crater Botanical Garden: A desert garden inside the crater, featuring plants from dry tropical regions around the world.
- Ka Iwi State Scenic Shoreline: A coastal area with rugged cliffs and tidepools, popular for hiking and whale watching.
Major Highways
East Honolulu is primarily served by Kalanianaole Highway (Route 72), which runs along the coast, connecting the area to downtown Honolulu and other parts of Oʻahu. The highway provides access to residential neighborhoods, beaches, and hiking spots. It also connects to the H-1 Freeway, offering a direct route to the urban core of Honolulu and Honolulu International Airport. The well-maintained local roads in East Honolulu provide easy access to the region’s scenic landmarks and residential areas.
3. Pearl City (Hawaii)
City Facts
- County: Honolulu County
- Area: 5.8 square miles
- Population: 47,698 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96782
- Latitude/Longitude: 21.3972° N, 157.9753° W
Location and History
Pearl City is located on the island of Oʻahu, just west of Honolulu, along the northern shore of Pearl Harbor. Historically, Pearl City was a small agricultural and fishing village before the United States annexed Hawaii in 1898. Its location near Pearl Harbor made it a strategic point during World War II. The development of military bases and suburban housing transformed Pearl City into a residential community for military personnel and civilians working in Honolulu. Today, Pearl City is known for its suburban lifestyle, close-knit communities, and easy access to Honolulu and Pearl Harbor.
Major Landmarks
- Pearl Harbor: One of the most famous military sites in U.S. history, home to several memorials and museums, including the USS Arizona Memorial.
- Pearlridge Center: The largest indoor shopping mall in Hawaii, offering retail stores, dining, and entertainment.
- Waimalu Nature Park: A scenic park with hiking trails and natural landscapes, providing an escape from the suburban environment.
- Manana Community Park: A large park offering sports fields, playgrounds, and walking paths for outdoor recreation.
- USS Bowfin Submarine Museum & Park: Located nearby, this museum offers tours of a World War II submarine and exhibits on naval history.
Major Highways
Pearl City is well-connected by several major highways. Interstate H-1 runs along the southern edge of the community, providing quick access to Honolulu and points west. Interstate H-2 begins near Pearl City and heads north toward the central and northern regions of Oʻahu. Kamehameha Highway (Route 99) runs parallel to H-1, serving as a major local thoroughfare, offering access to Pearl Harbor, shopping centers, and residential neighborhoods. Additionally, Farrington Highway (Route 76) runs west toward the Waianae coast.
4. Hilo (Hawaii)
City Facts
- County: Hawaii County
- Area: 58.3 square miles
- Population: 45,348 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96720, 96721
- Latitude/Longitude: 19.7297° N, 155.0905° W
Location and History
Hilo is located on the northeastern coast of Hawaii’s Big Island and serves as the island’s largest city and the seat of Hawaii County. The city was once a small fishing and agricultural village but grew into a significant hub for sugarcane production in the 19th century. Hilo’s economy has been shaped by its proximity to active volcanoes, including Mauna Loa and Kilauea, as well as its role as a gateway to Hawaii Volcanoes National Park. Despite being vulnerable to tsunamis (notably in 1946 and 1960), Hilo remains an important cultural and economic center on the island.
Major Landmarks
- Hawaiʻi Volcanoes National Park: A UNESCO World Heritage Site that encompasses two of the world’s most active volcanoes, Kilauea and Mauna Loa.
- Liliʻuokalani Gardens: A beautifully landscaped Japanese-style garden located on Hilo Bay.
- Rainbow Falls: A stunning waterfall that plunges into a large pool, famous for the rainbows often seen in the mist.
- Pacific Tsunami Museum: A museum dedicated to educating the public about tsunamis and the 1946 and 1960 events that affected Hilo.
- Imiloa Astronomy Center: A museum and planetarium focusing on astronomy and the cultural significance of the stars in Hawaiian history.
Major Highways
Hilo is connected to the rest of the Big Island by several key highways. Hawaii Belt Road (Route 19) runs along the coast, connecting Hilo to the island’s northern and western regions, including Waimea and Kona. Saddle Road (Route 200) crosses the island’s central highlands, offering a direct route to the west side of the island. Route 11 runs south, connecting Hilo to the Puna District and Hawaii Volcanoes National Park. These highways serve as vital transportation routes for residents and tourists alike.
5. Waipahu (Hawaii)
City Facts
- County: Honolulu County
- Area: 2.8 square miles
- Population: 43,859 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96797
- Latitude/Longitude: 21.3867° N, 158.0092° W
Location and History
Waipahu is located on the island of Oʻahu, just west of Pearl City. Originally, Waipahu was a sugarcane plantation town, with the Oahu Sugar Company playing a central role in its development from the late 19th century until the plantation closed in the 1990s. The area was named after the freshwater spring that once provided water to the surrounding communities. Today, Waipahu is a vibrant suburban community with a rich cultural history, particularly tied to the plantation era. The city is known for its diverse population, strong community ties, and proximity to Honolulu.
Major Landmarks
- Hawaii’s Plantation Village: An open-air museum that recreates life on a sugar plantation, offering guided tours and cultural exhibits.
- Waikele Premium Outlets: A popular shopping destination with designer outlet stores and restaurants.
- Hans L’Orange Park: A historic park and sports facility, home to local baseball teams and community events.
- Waipahu Cultural Garden Park: A peaceful park with gardens and historical exhibits related to Waipahu’s plantation past.
- Pouhala Marsh Wildlife Sanctuary: A wetland area that provides habitat for native Hawaiian bird species and offers birdwatching opportunities.
Major Highways
Waipahu is served by several major highways, with easy access to the rest of Oʻahu. The H-1 Freeway runs along the southern edge of Waipahu, providing quick access to Honolulu to the east and Kapolei to the west. Farrington Highway (Route 76) serves as a local route through Waipahu, connecting the town to nearby Pearl City and Ewa Beach. Kamehameha Highway (Route 99) runs parallel to H-1, offering an alternate route through the area. Local roads within Waipahu connect residential neighborhoods to shopping centers and schools.
6. Kailua (Hawaii)
City Facts
- County: Honolulu County
- Area: 7.0 square miles
- Population: 38,650 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96734
- Latitude/Longitude: 21.3914° N, 157.7394° W
Location and History
Kailua is located on the windward side of Oʻahu, northeast of Honolulu, and is known for its stunning beaches and laid-back lifestyle. Historically, Kailua was a significant residential area for Hawaiian royalty. The town developed into a suburban community in the mid-20th century, attracting residents from Honolulu due to its scenic beauty and quieter lifestyle. Kailua has grown into a popular destination for both locals and tourists seeking to enjoy outdoor activities like windsurfing, kayaking, and hiking. Despite its growth, Kailua retains a charming, small-town feel with local shops, cafes, and farmers’ markets.
Major Landmarks
- Kailua Beach Park: A famous white sand beach known for its calm waters, ideal for kayaking, windsurfing, and paddleboarding.
- Lanikai Beach: Often ranked as one of the best beaches in the world, offering crystal-clear waters and views of the offshore Mokulua Islands.
- Maunawili Falls: A popular hiking trail leading to a picturesque waterfall and swimming hole in the lush Maunawili Valley.
- Ulupo Heiau State Historic Site: An ancient Hawaiian temple (heiau) that once served as a place of worship and governance.
- Kawai Nui Marsh: The largest wetland in Hawaii, home to native bird species and offering walking paths for birdwatching and nature exploration.
Major Highways
Kailua is connected to the rest of Oʻahu by the Pali Highway (Route 61), which runs through the Koʻolau Mountains and provides a direct route to downtown Honolulu. Additionally, Kalanianaole Highway (Route 72) runs along the coast, connecting Kailua to Waimanalo and other windward communities. Kailua Road serves as a local thoroughfare, connecting the town center with nearby residential areas and beaches. These highways offer scenic drives and easy access to Oʻahu’s windward and leeward sides.
7. Kaneohe (Hawaii)
City Facts
- County: Honolulu County
- Area: 8.5 square miles
- Population: 33,961 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96744
- Latitude/Longitude: 21.4096° N, 157.7989° W
Location and History
Kaneohe is located on the windward coast of Oʻahu, just northwest of Kailua. The area has deep agricultural roots, originally known for its production of taro and sweet potatoes in ancient Hawaii. Kaneohe later became a residential community for those working in nearby Honolulu, especially after World War II. Today, Kaneohe is a suburban area that is home to Marine Corps Base Hawaii and offers residents a peaceful lifestyle with access to the beautiful natural landscapes of the windward side. The town’s proximity to Kaneohe Bay makes it popular for water activities.
Major Landmarks
- Ho’omaluhia Botanical Garden: A 400-acre botanical garden with tropical plants from around the world, nestled in the lush Koʻolau Mountains.
- Kaneohe Bay: A stunning bay offering opportunities for boating, snorkeling, and kayaking, with views of small offshore islands.
- Byodo-In Temple: A non-denominational Buddhist temple built to commemorate the first Japanese immigrants to Hawaii, set in peaceful gardens.
- Heʻeia State Park: A coastal park with hiking trails, picnic areas, and views of Kaneohe Bay and the Koʻolau Mountains.
- Heʻeia Fishpond: An ancient Hawaiian fishpond that has been restored and is used for traditional aquaculture practices.
Major Highways
Kaneohe is connected to Honolulu and other parts of Oʻahu by the Likelike Highway (Route 63), which passes through the Koʻolau Mountains, providing quick access to the city. Kamehameha Highway (Route 83) runs along the coast, linking Kaneohe to Kailua and other windward communities, and continues north toward the North Shore. The Pali Highway (Route 61) also connects Kaneohe to downtown Honolulu through the scenic Pali Lookout, offering a shorter route across the island. Local roads provide access to neighborhoods and recreational areas along Kaneohe Bay.
8. Mililani (Hawaii)
City Facts
- County: Honolulu County
- Area: 4.0 square miles
- Population: 28,112 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96789
- Latitude/Longitude: 21.4521° N, 158.0153° W
Location and History
Mililani is a planned community located in central Oʻahu, between the island’s North Shore and Honolulu. Developed in the 1960s by Castle & Cooke, Mililani was designed to offer a suburban lifestyle with modern amenities, attracting families from across the island. Today, it is divided into two main areas: Mililani Town and Mililani Mauka. The community has grown steadily, with excellent schools, parks, and shopping centers, making it one of the most sought-after residential areas on Oʻahu. Its central location provides easy access to both the North Shore and Honolulu.
Major Landmarks
- Mililani Golf Club: A public golf course offering 18 holes set against a backdrop of lush landscapes and tropical trees.
- Mililani District Park: A large park with sports fields, playgrounds, and a recreation center for community events and activities.
- Mililani Shopping Center: A hub for local shopping, dining, and services, serving the surrounding residential communities.
- Leilehua Golf Course: A military golf course open to the public, offering scenic views and well-maintained greens.
- Wahiawa Botanical Garden: Located nearby, this garden features native and exotic plants from tropical and subtropical regions around the world.
Major Highways
Mililani is conveniently located near the H-2 Freeway, which provides a direct route to Honolulu and the central parts of the island, including Waipio and Wahiawa. Kamehameha Highway (Route 99) runs along the western edge of Mililani, offering access to Pearl City, Pearl Harbor, and the North Shore. Local roads within the community provide easy access to schools, parks, and shopping centers. Mililani’s central location makes it an ideal residential area for commuters traveling to various parts of Oʻahu.
9. Kahului (Hawaii)
City Facts
- County: Maui County
- Area: 16.3 square miles
- Population: 28,202 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96732-96733
- Latitude/Longitude: 20.8890° N, 156.4726° W
Location and History
Kahului is located on the northern coast of Maui and is the island’s largest city and commercial hub. Originally developed as a sugarcane plantation town, Kahului expanded in the mid-20th century when the Hawaiian Commercial & Sugar Company sold land for residential and commercial development. Today, Kahului is home to Maui’s main airport, port, and commercial centers, making it a key economic center for the island. The city is known for its shopping malls, local businesses, and proximity to popular tourist attractions like Haleakalā National Park and the ʻĪao Valley.
Major Landmarks
- Maui Arts & Cultural Center: A premier venue for performances, exhibitions, and cultural events, serving as the heart of Maui’s arts community.
- Kanaha Beach Park: A popular beach for windsurfing, kiteboarding, and picnicking, located near Kahului Airport.
- Maui Nui Botanical Gardens: A garden focused on the conservation of native Hawaiian plants and the cultural significance of flora in Hawaiian traditions.
- Alexander & Baldwin Sugar Museum: Located nearby in Puʻunene, this museum tells the story of Maui’s sugarcane industry and its impact on the island’s history.
- Queen Kaʻahumanu Center: The largest shopping mall on Maui, offering retail stores, dining, and entertainment.
Major Highways
Kahului is accessible by several major highways. Hawaii Route 36 (Hana Highway) runs east from Kahului along the coast, offering access to the famous Hana region and its scenic waterfalls. Hawaii Route 37 (Haleakalā Highway) heads south toward upcountry Maui and Haleakalā National Park. Route 380 connects Kahului to central Maui, including the towns of Wailuku and Paia. The city’s central location and proximity to the airport make it a transportation hub for both locals and visitors.
10. Ewa Beach (Hawaii)
City Facts
- County: Honolulu County
- Area: 1.9 square miles
- Population: 16,415 (2023 estimate)
- Area Codes: 808
- ZIP Codes: 96706
- Latitude/Longitude: 21.3186° N, 158.0083° W
Location and History
Ewa Beach is located on the southwestern coast of Oʻahu, near Pearl Harbor. Historically, the area was used for sugarcane plantations and was part of the larger Ewa District, which played a significant role in Oʻahu’s agricultural development. Following World War II, Ewa Beach transitioned into a suburban community, with rapid development in the 1980s and 1990s. Today, Ewa Beach is a growing residential area known for its family-friendly neighborhoods, schools, and recreational facilities. The community is popular with military families due to its proximity to Joint Base Pearl Harbor-Hickam.
Major Landmarks
- Ewa Beach Park: A local beach park offering calm waters for swimming, picnic areas, and scenic views of the Waianae Mountains.
- Hawaiʻi Prince Golf Club: A 27-hole golf course designed by Arnold Palmer, offering scenic fairways and water hazards.
- Coral Creek Golf Course: A popular course featuring tropical landscaping and challenging layouts.
- Puʻuloa Beach Park: A quiet beach with views of Pearl Harbor and easy access to nearby hiking and biking trails.
- Hoakalei Country Club: A private golf club known for its upscale amenities and beautifully designed course.
Major Highways
Ewa Beach is primarily served by the Fort Weaver Road (Route 76), which connects the community to Interstate H-1, the main freeway running across Oʻahu. H-1 provides easy access to Honolulu, Pearl Harbor, and other major destinations on the island. Farrington Highway (Route 7101) runs parallel to the coast, offering a scenic route through the surrounding communities. Local roads within Ewa Beach provide access to residential areas, schools, and shopping centers. Ewa Beach’s proximity to major highways makes it convenient for commuters traveling to various parts of Oʻahu.