
Big Lake
- County:
- Skagit County
- County Seat:
- No
- Area (mi²):
- 7.665
- State:
- Washington
Big Lake is a CDP located in Skagit County, Washington. Big Lake has a 2025 population of 2,375. Big Lake is currently growing at a rate of 1.54% annually and its population has increased by 5.51% since the most recent census, which recorded a population of 2,251 in 2020.
The average household income in Big Lake is $133,324 with a poverty rate of 4.46%. The median age in Big Lake is 48.3 years: 46.4 years for males, and 49.3 years for females.