Upper Kalskag
- County:
- Bethel Census Area
- County Seat:
- No
- Area (mi²):
- 3.606
- State:
- Alaska
Upper Kalskag is a city located in Bethel Census Area, Alaska. Upper Kalskag has a 2026 population of 210. Upper Kalskag is currently declining at a rate of 0% annually and its population has decreased by -3.23% since the most recent census, which recorded a population of 217 in 2020.
The median household income in Upper Kalskag is $47,917 with a poverty rate of 26.41%. The median age in Upper Kalskag is 22.6 years: 23 years for males, and 22.3 years for females. For every 100 females there are 111.5 males.