The population density was less than 1 person per square mile (less than 1/km2).

There were 5,148 housing units at an average density of less than 1/sq mi (less than 1/km2).

The racial makeup of the census area was 75.90% White, 0.32% Black or African American, 13.25% Native American, 3.55% Asian, 0.26% Pacific Islander, 1.13% from other races, and 5.58% from two or more races.

[12] There were 3,884 households, out of which 37.30% had children under the age of 18 living with them, 52.10% were married couples living together, 8.50% had a female householder with no husband present, and 34.10% were non-families.

27.00% of all households were made up of individuals, and 4.90% had someone living alone who was 65 years of age or older.