Waimānalo

About 1000 meters east of Waimānalo is the neighborhood of Waimānalo Beach. Waimānalo has a small commercial center along Kalanianaole Highway, but is separated from the shoreline and Waimānalo Beach (the longest stretch of sandy shoreline on Oahu) by Bellows Air Force Station. Noteworthy for its local flavor and large agricultural lots in the valley that extend back towards the Koolau from the center of town. Numerous plant nurseries are in this area. There are no hotels in Waimānalo. The site of Sea Life Park, near Hawaii Kai on Kalanianaole Highway. Its U.S. postal code is 96795.

• Official Name — Waimānalo • Settlement Type — Census-designated place • Mapsize1 — 275px • Subdivision Type — Country • Subdivision Name — United States • Subdivision Type1 — State • Subdivision Name1 — Hawaii • Subdivision Type2 — County • Subdivision Name2 — Honolulu • Unit Pref — Imperial • Area Total Km2 — 11.29 • Area Land Km2 — 11.29 • Area Water Km2 — 0.00 • Area Total Sq Mi — 4.36 • Area Land Sq Mi — 4.36 • Area Water Sq Mi — 0.00 • Population As Of — 2020 • Population Total — 6057 • Population Density Km2 — 536.60 • Population Density Sq Mi — 1389.86 • Elevation Ft — 30 • Postal Code Type — ZIP code • Postal Code — 96795 • Area Code — 808 • Blank Name — FIPS code • Blank Info — 15-78050

Waimānalo is located at. The nearest towns are Kailua to the west and Waimānalo Beach to the east. Waimānalo Beach is within the traditional Ahupua'a of Waimānalo. According to the United States Census Bureau, the CDP has an area of 11.3 km2, all land.

As of the census of 2000, there were 3,664 people, 849 households, and 751 families in the CDP. The population density was 9,319.0 PD/sqmi. There were 904 housing units at an average density of 2,299.2 /sqmi. The racial makeup of the CDP was 10.84% White, 0.16% Black or African American, 0.14% Native American, 26.80% Asian, 24.73% Pacific Islander, 0.33% from other races, and 37.01% from two or more races. 10.37% of the population were Hispanic or Latino of any race. There were 849 households, 38.9% had children under the age of 18 living with them, 59.4% were married couples living together, 21.0% had a female householder with no husband present, and 11.5% were non-families. 8.5% of households were one person, and 3.3% were one person aged 65 or older. The average household size was 4.31 and the average family size was 4.42. In the community 31.4% of the population was under the age of 18, 10.7% was from 18 to 24, 28.8% from 25 to 44, 20.7% from 45 to 64, and 8.4% 65 or older. The median age was 30 years. For every 100 females there were 97.2 males. For every 100 females age 18 and over, there were 93.8 males. The median household income was $47,594 and the median family income was $43,347. Males had a median income of $28,036 versus $21,621 for females. The per capita income for the CDP was $12,493. 8.1% of the population and 5.9% of families were below the poverty line. Out of the total population, 9.6% of those under the age of 18 and 5.7% of those 65 and older were living below the poverty line.

Waimānalo is the home of Sea Life Park, a marine biology and sea-life attraction near Makapu'u Beach. Japanese sumo grand champion Chad Rowan (aka Akebono) was born in Waimānalo. A large statue of him stands at the Waimānalo Shopping Center and serves as a tourist photo opportunity.

• Richard Chamberlain, actor known for playing Dr. Kildare in the series by that name, died here in 2025. • Sasha Colby, drag performer and winner of Season 15 of RuPaul's Drag Race • Magnum P.I., the character from the eponymous TV series lived in Waimānalo. • Tetairoa McMillan, wide receiver for the Arizona Wildcats and Carolina Panthers first-round pick, winner of the 2022 Polynesian Football Player of the Year Award • Chad Rowan, better known as Akebono, the 64th and first non-Japanese sumo wrestler to reach the highest rank of yokozuna in 1993 • Barack Hussein Obama, the 44th president of the United States, has a house in Waimānalo. • Gabby Pahinui and his son Cyril Pahinui, both renowned slack-key guitarists.