
Shell Lake
- County:
- Washburn County
- County Seat:
- Yes
- Area (mi²):
- 5.846
- State:
- Wisconsin
Shell Lake is a city located in Washburn County, Wisconsin. Shell Lake has a 2025 population of 1,389. It is also the county seat of .Shell Lake is currently growing at a rate of 0.22% annually and its population has increased by 0.94% since the most recent census, which recorded a population of 1,376 in 2020.
The average household income in Shell Lake is $91,181 with a poverty rate of 9.03%. The median age in Shell Lake is 45 years: 42.7 years for males, and 47.5 years for females.