|• Mayor||Boris J. Epchook|
|• Total||11.7 sq mi (30.3 km2)|
|• Land||10.0 sq mi (25.9 km2)|
|• Water||1.7 sq mi (4.5 km2)|
|Elevation||10 ft (3 m)|
|• Density||62/sq mi (24/km2)|
|Time zone||Alaska (AKST) (UTC-9)|
|• Summer (DST)||AKDT (UTC-8)|
Kwethluk is located at  It lies at the confluence of the Kuskokwim and Kwethluk rivers in the Yukon-Kuskokwim Delta. The constantly changing channel gives the village its name: Kwethluk is derived from the Yupik kuik, meaning "river", plus -rrluk, meaning "bad, unnatural".(60.802332, -161.418556).
According to the United States Census Bureau, the city has a total area of 11.7 square miles (30 km2), of which, 10.0 square miles (26 km2) of it is land and 1.7 square miles (4.4 km2) of it (14.76%) is water.
As of the census of 2000, there were 713 people, 153 households, and 132 families residing in the city. The population density was 71.4 people per square mile (27.6/km²). There were 199 housing units at an average density of 19.9 per square mile (7.7/km²). The racial makeup of the city was 4.77% White, 0.14% Black or African American, 92.85% Native American, 0.28% Asian, and 1.96% from two or more races.
There were 153 households out of which 62.1% had children under the age of 18 living with them, 57.5% were married couples living together, 20.3% had a female householder with no husband present, and 13.1% were non-families. 10.5% 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 4.66 and the average family size was 5.08.
In the city the age distribution of the population shows 47.7% under the age of 18, 9.4% from 18 to 24, 24.7% from 25 to 44, 12.5% from 45 to 64, and 5.8% who were 65 years of age or older. The median age was 20 years. For every 100 females there were 116.7 males. For every 100 females age 18 and over, there were 113.1 males.
The median income for a household in the city was $25,417, and the median income for a family was $27,500. Males had a median income of $24,063 versus $14,375 for females. The per capita income for the city was $6,503. About 29.2% of families and 29.5% of the population were below the poverty line, including 31.4% of those under age 18 and 35.9% of those age 65 or over.
- 1996 Alaska Municipal Officials Directory. Juneau: Alaska Municipal League/Alaska Department of Community and Regional Affairs. January 1996. p. 90.
- 2015 Alaska Municipal Officials Directory. Juneau: Alaska Municipal League. 2015. p. 96.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- Jacobson, Steven A. 2012. Yup'ik Eskimo Dictionary, 2nd edition. Fairbanks: Alaska Native Language Center.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.