Location in Honolulu County and the state of Hawaii
|o Total||3.8 sq mi (9.9 km2)|
|o Land||3.8 sq mi (9.9 km2)|
|o Water||0 sq mi (0 km2)|
|Elevation||600 ft (200 m)|
|o Density||4,800/sq mi (1,800/km2)|
Makakilo or Makakilo City is a census-designated place and residential area located in the ʻEwa District on the island of Oʻahu in the City & County of Honolulu, United States. In Hawaiian, maka kilo means "observing eyes". As of the 2010 Census, the CDP had a population of 18,248.
Makakilo is located at  on the southern end of the slopes of the Waiʻanae mountain range above the city of Kapolei. The Interstate H-1 freeway divides more recently developed Kapolei from Makakilo, and traveling eastward on H-1 connects to Waipahu. The freeway ends about 1.5 miles (2.4 km) west of Makakilo, merging into Farrington Highway (State Rte. 90) to Kahe Point and then N?n?kuli on the Waiʻanae Coast. Exit 1 on H-1 is Kalaeloa Road, the entrance to Barbers Point and Campbell Industrial Park.(21.352850, -158.090732)
According to the United States Census Bureau, the CDP has a total area of 3.1 square miles (8.0 km2), all land.
As of the census of 2000, there were 13,156 people, 3,898 households, and 3,223 families residing in the CDP. The population density was 4,188.0 people per square mile (1,617.7/km²). There were 4,119 housing units at an average density of 1,311.2 per square mile (506.5/km²). The racial makeup of the CDP was 24.16% White, 2.53% Black or African American, 0.20% Native American, 32.08% Asian, 10.20% Pacific Islander, 1.51% from other races, and 29.32% from two or more races. 10.09% of the population were Hispanic or Latino of any race.
There were 3,898 households out of which 44.2% had children under the age of 18 living with them, 65.9% were married couples living together, 11.3% had a female householder with no husband present, and 17.3% were non-families. 11.3% of all households were made up of individuals and 1.4% had someone living alone who was 65 years of age or older. The average household size was 3.37 and the average family size was 3.64.
In the CDP the population was spread out with 30.5% under the age of 18, 8.4% from 18 to 24, 33.6% from 25 to 44, 21.5% from 45 to 64, and 6.1% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 101.0 males. For every 100 females age 18 and over, there were 98.5 males.
The median income for a household in the CDP was $66,515, and the median income for a family was $67,267. Males had a median income of $40,067 versus $31,194 for females. The per capita income for the CDP was $20,945. 5.1% of the population and 4.3% of families were below the poverty line. Out of the total population, 7.1% of those under the age of 18 and 3.6% of those 65 and older were living below the poverty line.