Schofield Barracks is a United States Army installation and census-designated place (CDP) located in the City and County of Honolulu and in the Wahiawa District of the island of Oahu, Hawaii, United States. Schofield Barracks lies adjacent to the town of Wahiawā, separated from most of it by Lake Wilson (also known as Wahiawā Reservoir). Schofield Barracks is named after Lieutenant General John McAllister Schofield. He was sent to Hawaii in 1872 as Secretary of War for President of the United States Andrew Johnson and recommended the establishment of a naval base at Pearl Harbor.
Schofield Barracks occupies some on Central Oahu. The base was established in 1908 to provide mobile defense of Pearl Harbor and the entire island. It has been the home of the 25th Infantry Division, known as the Tropic Lightning Division, since 1941. The population was 14,428 at the 2000 census.
There were 2,965 households out of which 78.0% had children under the age of 18 living with them, 91.5% were married couples living together, 4.8% had a female householder with no husband present, and 2.1% were non-families. 2.0% of all households were made up of individuals and none had someone living alone who was 65 years of age or older. The average household size was 3.55 and the average family size was 3.58.
In the CDP the population was spread out with 32.1% under the age of 18, 29.8% from 18 to 24, 36.6% from 25 to 44, 1.4% from 45 to 64, and 0.1% who were 65 years of age or older. The median age was 22 years. For every 100 females there were 152.3 males. For every 100 females age 18 and over, there were 183.6 males.
The median income for a household in the CDP was $33,788, and the median income for a family was $32,970. Males had a median income of $21,112 versus $18,737 for females. The per capita income for the CDP was $12,316. About 6.7% of families and 7.2% of the population were below the poverty line, including 8.5% of those under age 18 and none of those age 65 or over.