|• Total||21.6 sq mi (55.9 km2)|
|• Land||20.5 sq mi (53.1 km2)|
|• Water||1.1 sq mi (2.8 km2)|
|Time zone||Alaska (AKST) (UTC-9)|
|• Summer (DST)||AKDT (UTC-8)|
Beaver is located at .
According to the United States Census Bureau, the CDP has a total area of 21.6 square miles (56 km2), of which, 20.5 square miles (53 km2) of it is land and 1.1 square miles (2.8 km2) of it (5.05%) is water.
As of the census of 2000, there were 84 people, 31 households, and 19 families residing in the CDP. The population density was 4.1 people per square mile (1.6/km²). There were 54 housing units at an average density of 2.6/sq mi (1.0/km²). The racial makeup of the CDP was 4.76% White, 85.71% Native American, and 9.52% from two or more races.
There were 31 households out of which 41.9% had children under the age of 18 living with them, 12.9% were married couples living together, 32.3% had a female householder with no husband present, and 38.7% were non-families. 29.0% of all households were made up of individuals and 6.5% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.42.
In the CDP the population was spread out with 40.5% under the age of 18, 4.8% from 18 to 24, 32.1% from 25 to 44, 15.5% from 45 to 64, and 7.1% who were 65 years of age or older. The median age was 29 years. For every 100 females there were 154.5 males. For every 100 females age 18 and over, there were 163.2 males.
The median income for a household in the CDP was $28,750, and the median income for a family was $29,792. Males had a median income of $26,667 versus $16,875 for females. The per capita income for the CDP was $8,441. There were no families and 11.1% of the population living below the poverty line, including no under eighteens and none of those over 64.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.