
Skagit County
- State:
- Washington
- County Seat:
- Mount Vernon
Skagit County's estimated 2025 population is 131,607 with a growth rate of 0.07% in the past year according to the most recent United States census data. Skagit County is the 11th largest county in Washington. The 2010 population was 116,939 and has seen a growth of 12.54% since that time.