. There were 3,490 housing units at an average density of . The racial makeup of the CDP was 8.4% White, 0.7% African American, 0.1% Native American, 50.6% Asian, 12.9% Pacific Islander, 0.7% from other races, and 26.6% from two or more races. 11.1% of the population were Hispanic or Latino of any race. There were 3,298 households, out of which 50.8% had children under the age of 18 living with them, 62.8% were married couples living together, 17.5% had a female householder with no husband present, and 12.3% were non-families. 8.5% of all households were made up of individuals, and 4.1% had someone living alone who was 65 years of age or older. The average household size was 4.50 and the average family size was 4.5. In the CDP the population was spread out, with 26.3% under the age of 18, 10.0% from 18 to 24, 24.1% from 25 to 44, 24.9% from 45 to 64, and 14.7% who were 65 years of age or older. The median age was 36.4 years. For every 100 females there were 97.9 males. For every 100 females age 18 and over, there were 96.1 males. As of the 2000 census, the median income for a household in the CDP was $57,073, and the median income for a family was $58,104. Males had a median income of $29,512 versus $23,839 for females. The per capita income for the CDP was $14,807. 9.9% of the population and 8.5% of families were below the poverty line. Out of the total population, 12.4% of those under the age of 18 and 6.5% of those 65 and older were living below the poverty line. Government and infrastructure The United States Postal Service operates the Ewa Beach Post Office in Ewa Beach. The Pacific Tsunami Warning Center is also headquartered here. Education Ewa Beach is served by the Hawai'i Department of Education. Elementary schools in the 'Ewa Beach CDP include Ewa Beach, Kaimiloa, and Pohakea. Ilima Intermediate School, and James Campbell High School are in 'Ewa Beach CDP. Schools nearby but outside the CDP include Iroquois Point Elementary School (near but not in the Iroquois Point CDP), Holomua Elementary School, Keone'ula Elementary and 'Ewa Makai Middle. The Hawaii State Public Library System operates the Ewa Beach Public & School Library. Established on the property of Campbell High on August 28, 1971, it is a dual purpose school library