
Nikolaevsk
- County:
- Kenai Peninsula Borough
- County Seat:
- No
- Area (mi²):
- 34.845
- State:
- Alaska
Nikolaevsk is a CDP located in Kenai Peninsula Borough, Alaska. Nikolaevsk has a 2025 population of 176. Nikolaevsk is currently declining at a rate of -4.86% annually and its population has decreased by -6.38% since the most recent census, which recorded a population of 188 in 2020.
The average household income in Nikolaevsk is $63,817 with a poverty rate of 35.15%. The median age in Nikolaevsk is 45.6 years: 43.9 years for males, and 49.9 years for females.