
Mount Vernon
- County:
- Fairfax County
- County Seat:
- No
- Area (mi²):
- 5.225
- State:
- Virginia
Mount Vernon is a CDP located in Fairfax County, Virginia. Mount Vernon has a 2025 population of 13,520. Mount Vernon is currently growing at a rate of 0.55% annually and its population has increased by 0.22% since the most recent census, which recorded a population of 13,490 in 2020.
The average household income in Mount Vernon is $193,807 with a poverty rate of 7.49%. The median age in Mount Vernon is 44 years: 43.1 years for males, and 45.9 years for females.