west of Interstate H-2 is known as Mililani Town. The newer portion of Mililani to the east of Interstate H-2 is known as Mililani Mauka. Almost all of Mililani's commercial and retail centers are in Mililani Town. A third region of Mililani is Launani Valley, a secluded, master planned development located below Mililani Tech Park on Wikao Street. The area was developed by Towne and contains a blend of townhome and single family units. Geography Mililani Town is located at , near the center of Oahu Island, on the plateau or "central valley" between the two volcanic mountains that comprise the island. It is in the Central District and the City & County of Honolulu. The town is somewhat physically confined between the two large central Oahu gulches of Waikele and Kīpapa. Travelling north on either Kamehameha Highway (State Rte. 99) or Interstate H-2 connects the traveller with Wahiawā. Travelling south on either of these arteries connects to Waipio. According to the United States Census Bureau, the Mililani Town CDP has a total area of , of which , or 0.07%, is water. The U.S. postal code for Mililani is 96789. Demographics As of the census of 2020, there were 28,121 people, 8,934 households, and 3.07 people per household. The population density was 7,014.5 people per square mile. There were 9,272 housing units and the owner-occupied housing unit rate was 79.7%. The racial makeup of the CDP was 48.1% Asian, 14.0% White, 2.4% African American, 4.6% Pacific Islander, and 10.9% were Hispanic or Latino. 30.0% were two or more races. There were 9,010 households, out of which 43.1% had children under the age of 18 living with them, 70.4% were married couples living together, 10.2% had a female householder with no husband present, and 14.6% were non-families. 10.6% 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 3.17 and the average family size was 3.41. In the CDP, the population was 25.5% under the age of 18, 9.2% from 18 to 24, 28.4% from 25 to 44, 28.1% from 45 to 64, and 7.1% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 99.7 males. For every 100 females age 18 and over, there were 98.1 males. The median income for