Koyukuk is a city located in Alaska. With a 2020 population of 91, it is the 130th largest city in Alaska and the 18471st largest city in the United States. Koyukuk is currently declining at a rate of -1.09% annually and its population has decreased by -5.21% since the most recent census, which recorded a population of 96 in 2010. Koyukuk reached it's highest population of 97 in 2011. Spanning over 6 miles, Koyukuk has a population density of 16 people per square mile.
The average household income in Koyukuk is $35,824 with a poverty rate of 27.42%. The median rental costs in recent years comes to $258 per month, and the median house value is $41,300. The median age in Koyukuk is 42.5 years, 42.8 years for males, and 32.5 years for females. For every 100 females there are 93.8 males.