|— CDP —|
Location in Honolulu County and the state of Hawaii
|- Total||5.7 sq mi (14.9 km2)|
|- Land||2.5 sq mi (6.5 km2)|
|- Water||3.2 sq mi (8.4 km2)|
|Elevation||10 ft (3 m)|
|- Density||4,287.6/sq mi (1,655.5/km2)|
|Time zone||Hawaii-Aleutian (UTC-10)|
|GNIS feature ID||0362575|
Nānākuli is a census-designated place (CDP) in the Waiʻanae District on the Island of Oʻahu, City & County of Honolulu, Hawaii, United States. In Hawaiian, nānā kuli means literally "look at knee". The population was 10,814 at the 2000 census.
Nānākuli is located at 21°23'36" North, 158°9'10" West (21.393450, -158.152802) near the southern end of the Waiʻanae mountain. Although most of the residents live in the valley, access is from Farrington Highway running along the coastline between Lualualei to the northwest and Kahe then Kapolei to the southeast.Nānākuli in Hawaiian means "to look deaf" this is because when people would pass or ask for water they would "act deaf" because they had no water to offer them.
According to the United States Census Bureau, the CDP has a total area of 5.8 square miles (14.9 km²), of which, 2.5 square miles (6.5 km²) of it is land and 3.2 square miles (8.3 km²) of it is water. The total area is 56.00% water.
As of the census of 2000, there were 10,814 people, 2,324 households, and 2,096 families residing in the valley. The population density of Nānākuli was 1,656.9/km² (4,287.6/sq mi). There were 2,504 housing units at an average density of 992.8/sq mi (383.7/km²). The racial makeup of the CDP was 5.70% White, 0.79% Black or African American, 0.29% Native American, 11.61% Asian, 40.21% Pacific Islander, 0.83% from other races, and 40.59% from two or more races. 11.12% of the population were Hispanic or Latino of any race.
There were 2,324 households in Nānākuli, out of which 46.0% had children under the age of 18 living with them, 58.8% were married couples living together, 22.3% had a female householder with no husband present, and 9.8% were non-families. 6.7% of all households were made up of individuals and 2.0% had someone living alone who was 65 years of age or older. The average household size was 4.65 and the average family size was 4.74.
In the CDP the population was spread out with 35.8% under the age of 18, 11.4% from 18 to 24, 27.4% from 25 to 44, 18.5% from 45 to 64, and 6.9% who were 65 years of age or older. The median age was 27 years. For every 100 females there were 99.0 males. For every 100 females age 18 and over, there were 92.8 males.
The median income for a household in Nānākuli was $45,352, and the median income for a family was $45,677. Males had a median income of $30,722 versus $24,731 for females. The per capita income for the CDP was $11,690. 21.3% of the population and 19.2% of families were below the poverty line. Out of the total population, 26.7% of those under the age of 18 and 9.6% of those 65 and older were living below the poverty line.