|YukonâKoyukuk Census Area, Alaska|
Location in the U.S. state of Alaska
Alaska's location in the U.S.
|Largest city||Fort Yukon|
|â¢ Total||147,805 sq mi (382,813 km2)|
|â¢ Land||145,505 sq mi (376,856 km2)|
|â¢ Water||2,300 sq mi (5,957 km2), 1.6%|
|â¢ ( 2017)||5,365|
|â¢ Density||0.038/sq mi (0.015/km2)|
|Time zone||Alaska: UTCâ9/ â8|
YukonâKoyukuk Census Area is a census area in the U.S. state of Alaska. As of the 2010 census, the population was 5,588.  It has the largest area of any county or county-equivalent in the United States. It is part of the unorganized borough of Alaska and therefore has no borough seat. Its largest communities are the cities of Galena, in the west, and Fort Yukon, in the northeast.
According to the U.S. Census Bureau, the census area has 147,805 square miles (382,810 km2), of which 145,505 square miles (376,860 km2) is land and 2,300 square miles (6,000 km2) (1.6%) is water.  The area is roughly the same size as the U.S. state of Montana or the country of Germany. The area is bigger than 47 of the 50 states, with only California, Texas and Alaska itself being bigger than the county size. Its population density, at 0.0449 inhabitants per square mile (0.0173/km2), is the lowest in the United States.
- North Slope Borough, Alaska â north
- Southeast Fairbanks Census Area, Alaska â southeast
- Fairbanks North Star Borough, Alaska â southeast
- Denali Borough, Alaska â southeast
- Matanuska-Susitna Borough, Alaska â south
- Bethel Census Area, Alaska â south
- Kusilvak Census Area, Alaska â west
- Nome Census Area, Alaska â west
- Northwest Arctic Borough, Alaska â west
- Yukon Territory, Canada â east
Arctic National Wildlife Refuge (part)
- Mollie Beattie Wilderness (part)
- Gates of the Arctic National Park and Preserve (part)
- Innoko National Wildlife Refuge
- Kanuti National Wildlife Refuge
Koyukuk National Wildlife Refuge (part)
- Koyukuk Wilderness (part)
- Noatak National Preserve
- Nowitna National Wildlife Refuge
Selawik National Wildlife Refuge (part)
- Selawik Wilderness (part)
- Steese National Conservation Area
- White Mountains National Recreation Area
- YukonâCharley Rivers National Preserve (part)
- Yukon Flats National Wildlife Refuge
|U.S. Decennial Census
1790â1960  1900â1990 
1990â2000  2010â2017 
As of the census  of 2000, there were 6,551 people, 2,309 households, and 1,480 families residing in the census area. The population density was 22.3 square miles (57.7km2) per person. It is the least densely populated county-equivalent of all 3,141 county-equivalents of the United States. There were 3,917 housing units at an average density of 0.027 per square mile (0.010/km2). The racial makeup of the census area was 24.27% White, 0.09% Black or African American, 70.89% Native American, 0.37% Asian, 0.05% Pacific Islander, 0.43% from other races, and 3.91% from two or more races. 1.19% of the population were Hispanic or Latino of any race. 12.95% reported speaking an Athabaskan language at home; of these 35.26% speak Gwichâin and 10.94% speak Koyukon. [ clarification needed]
There were 2,309 households out of which 38.90% had children under the age of 18 living with them, 36.90% were married couples living together, 16.90% had a female householder with no husband present, and 35.90% were non-families. 30.50% of all households were made up of individuals and 6.20% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.53.
In the census area the population was spread out with 35.00% under the age of 18, 8.70% from 18 to 24, 26.90% from 25 to 44, 22.10% from 45 to 64, and 7.30% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 118.60 males. For every 100 females age 18 and over, there were 122.60 males.
Galena City School District operates public schools serving Galena. Nenana City School District operates public schools serving Nenana. YukonâKoyukuk School District and Yukon Flats School District operate public schools serving rural areas.
- In 1980, the United States Census Bureau divided the Unorganized Borough into 12 census areas.
- "State & County QuickFacts". United States Census Bureau. Archived from the original on May 19, 2014. Retrieved May 18, 2014.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Archived from the original on May 27, 2002. Retrieved April 23, 2011.
- "Population and Housing Unit Estimates". Archived from the original on May 29, 2017. Retrieved June 9, 2017.
- "U.S. Decennial Census". United States Census Bureau. Archived from the original on May 11, 2015. Retrieved May 18, 2014.
- "Historical Census Browser". University of Virginia Library. Archived from the original on August 16, 2012. Retrieved May 18, 2014.
- "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Archived from the original on February 1, 2014. Retrieved May 18, 2014.
- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on December 18, 2014. Retrieved May 18, 2014.
- "American FactFinder". United States Census Bureau. Archived from the original on September 11, 2013. Retrieved May 14, 2011.
- "YukonâKoyukuk (CA) County, Alaska: Language Use". Archived from the original on July 22, 2011. Retrieved October 14, 2011.[ not in citation given]
|Wikimedia Commons has media related to Yukon-Koyukuk Census Area, Alaska.|
- U.S. Geological Survey Geographic Names Information System: YukonâKoyukuk Census Area
- "Census Area map: Alaska Department of Labor" (pdf).