| Official Name: | Mililani Mauka |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Hawaii |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Hawaii |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 10.35 |
| Area Land Km2: | 10.35 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 3.99 |
| Area Land Sq Mi: | 3.99 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 21075 |
| Population Density Km2: | 2037.19 |
| Population Density Sq Mi: | 5276.66 |
| Timezone: | Hawaii-Aleutian |
| Utc Offset: | -10 |
| Coordinates: | 21.4756°N -157.9944°W |
| Elevation Ft: | 880 |
| Area Code: | 808 |
| Blank Name: | FIPS code |
| Blank Info: | 15-51000 |
| Blank1 Name: | GNIS feature ID |
Mililani Mauka is a census-designated place (CDP) in Honolulu County, Hawaii on the island of Oʻahu, Hawaii, United States. As of the 2020 census, the CDP had a population of 21,075.
Mililani Mauka is a planned community adjacent to Mililani Town, both situated about northwest of the center of Honolulu. Ground was broken for Mililani Mauka on April 6, 1990, east of Interstate H-2 from Mililani Town. The first homeowners moved into Mauka in 1992. The community is the future site of the Oahu Arts Center.
Mililani Mauka is located at 21.4756°N -157.9944°W (21.4756, -157.9947). According to the United States Census Bureau, the CDP has a total area of 10.3km2, all land.[2] Mililani Mauka lies within the ʻEwa Moku on Oʻahu, more specifically the Waipiʻo Ahupuaʻa.[3]
As of the 2020 census, there were 21,075 people, 7,655 housing units, and 7,432 families. The population density was 5,276.7 inhabitants per square mile. The racial makeup was 15.1% White (2,881 people), 3.0% African American (452), 0.3% Native American (32), 54.4% Asian (10,422), 2.9% Pacific Islander (627), and 22.9% from two or more races (6,344). Those of Hispanic or Latino origin made up 9.8% of the population (2,079 people).[4] [5]
The ancestry was 4.5% German, 4.4% English, 4.0% Irish, 1.6% Portuguese, 1.5% Italian, 0.7% French, 0.7% Swedish, and 0.6% Danish.
The median age was 37.9 years old. 25.2% of the population were under 18, and 5.6% were under 5. 10.0% of the population were 65 or older, with 5.9% between the ages of 65 and 74, 2.8% between the ages of 75 and 84, and 1.3% were 85 or older. The gender makeup was 49.5% female and 50.5% male.
The median household income was $119,981, with families having $136,755, married couples having $145,145, and non-families having $59,413. 2.8% of the population was in poverty, with 2.8% of people under 18, 2.6% of people between the ages of 18 and 64, and 4.0% of people 65 or older were in poverty. The per capita income was $46,908.
Hawaii Department of Education operates public schools within the CDP.[6]
Mililani Mauka is home to Mililani Mauka Elementary School,[7] Mililani ʻIke Elementary School,[8] and Mililani Middle School.[9]