According to the United States Census Bureau, the city has a total area of 8.3 square miles (21.6 km²), of which, 6.1 square miles (15.7 km²) of it is land and 2.3 square miles (5.9 km²) of it (27.37%) is water.
The proposed Pebble Mine site is located near Newhalen.
There were 39 households out of which 59.0% had children under the age of 18 living with them, 56.4% were married couples living together, 12.8% had a female householder with no husband present, and 5.1% were non-families. 5.1% of all households were made up of individuals and 0.0% consisted of a sole occupant 65 years of age or older. The average household size was 4.10 and the average family size was 4.22.
In the city the population was spread out with 45.0% under the age of 18, 9.4% from 18 to 24, 20.6% from 25 to 44, 20.0% from 45 to 64, and 5.0% who were 65 years of age or older. The median age was 20 years. For every 100 females there were 100.0 males. For every 100 females age 18 and over, there were 120.0 males.
The median income for a household in the city was $36,250, and the median income for a family was $35,000. Males had a median income of $38,333 versus $23,750 for females. The per capita income for the city was $9,448. About 26.7% of families and 16.3% of the population were below the poverty line, including 17.9% of those under the age of eighteen and none of those sixty five or over.