
Mount Vernon
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 0.683
- State:
- Oregon
Mount Vernon is a city located in Grant County, Oregon. Mount Vernon has a 2025 population of 556. Mount Vernon is currently growing at a rate of 0.18% annually and its population has increased by 1.09% since the most recent census, which recorded a population of 550 in 2020.
The average household income in Mount Vernon is $81,606 with a poverty rate of 7.93%. The median age in Mount Vernon is 37.3 years: 39.3 years for males, and 32.6 years for females.