
Mentasta Lake
- County:
- Copper River Census Area
- County Seat:
- No
- Area (mi²):
- 300.626
- State:
- Alaska
Mentasta Lake is a CDP located in Copper River Census Area, Alaska. Mentasta Lake has a 2025 population of 178. Mentasta Lake is currently growing at a rate of 2.3% annually but its population has decreased by -33.08% since the most recent census, which recorded a population of 266 in 2020.
The average household income in Mentasta Lake is $32,462 with a poverty rate of 26.6%. The median age in Mentasta Lake is 36.3 years: 42.5 years for males, and 19.5 years for females.