
Mount Vernon
- County:
- Skagit County
- County Seat:
- Yes
- Area (mi²):
- 12.298
- State:
- Washington
Mount Vernon is a city located in Skagit County, Washington. Mount Vernon has a 2025 population of 35,227. It is also the county seat of .Mount Vernon is currently declining at a rate of -0.05% annually and its population has decreased by -0.22% since the most recent census, which recorded a population of 35,306 in 2020.
The average household income in Mount Vernon is $93,870 with a poverty rate of 16.74%. The median age in Mount Vernon is 36.1 years: 35 years for males, and 37.3 years for females.