
Unalaska
- County:
- Aleutians West Census Area
- County Seat:
- No
- Area (mi²):
- 102.212
- State:
- Alaska
Unalaska is a city located in Aleutians West Census Area, Alaska. Unalaska has a 2025 population of 4,192. Unalaska is currently declining at a rate of -0.26% annually and its population has decreased by -1.27% since the most recent census, which recorded a population of 4,246 in 2020.
The average household income in Unalaska is $129,974 with a poverty rate of 7.63%. The median age in Unalaska is 38.7 years: 38.5 years for males, and 39.5 years for females.