Nikolski, AK has a population of 30 and is the 28,602nd largest city in the United States. The population density is 0 per sq mi which is 79% lower than the Alaska average and 100% lower than the national average. The median age in Nikolski is 44 which is approximately 31% higher than the Alaska average of 34. In Nikolski, 64% of the population over 15 years of age are married, 71% speak English and 0% speak Spanish. 67% of Nikolski residents were born in Alaska, 33% were born out of state, 0% were born outside of the United States and 0% were foreign born.