Nikolai is a city located in Yukon-Koyukuk County Alaska. With a 2020 population of 82, it is the 133rd largest city in Alaska and the 18608th largest city in the United States . Nikolai is currently declining at a rate of -2.38% annually and its population has decreased by -12.77% since the most recent census, which recorded a population of 94 in 2010. Nikolai reached it's highest population of in . Spanning over 5 miles, Nikolai has a population density of 19 people per square mile.
The average household income in Nikolai is $38,460 with a poverty rate of 37.06%. The median rental costs in recent years comes to - per month, and the median house value is $51,500. The median age in Nikolai is 32.8 years, 31.9 years for males, and 33 years for females.