Aleutians West Census Area is a census area located in the U.S. state of Alaska. It contains most of the Aleutian Islands, from Attu Island in the west to Unalaska Island in the east, as well as the Pribilof Islands, which lie north of the Aleutians in the Bering Sea. As of 2010, the population is 5,561. It is part of the Unorganized Borough and therefore has no borough seat. Its largest city is Unalaska.
The census area has a total area of 14,117 square miles (36,560 km2), of which, 4,397 square miles (11,390 km2) of it is land and 9,720 square miles (25,200 km2) of it (68.85%) is water.
As of the census of 2000, there were 5,465 people, 1,270 households, and 736 families residing in the census area. The population density was 1.24 people per square mile (0.48/km²). There were 2,234 housing units at an average density of 0.51/sq mi (0.20/km²). The racial makeup of the census area was 40.04% White, 3.02% Black or African American, 20.95% Native American, 24.59% Asian, 0.62% Pacific Islander, 7.32% from other races, and 3.46% from two or more races. 10.48% of the population were Hispanic or Latino of any race. 13.89% reported speaking Tagalog at home, while 11.22% speak Spanish, 5.97% Aleut, and 4.51% Vietnamese .
There were 1,270 households out of which 35.40% had children under the age of 18 living with them, 44.00% were married couples living together, 7.60% had a female householder with no husband present, and 42.00% were non-families. 32.00% of all households were made up of individuals and 2.10% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.26.