
Mount Sidney
- County:
- Augusta County
- County Seat:
- No
- Area (mi²):
- 1.661
- State:
- Virginia
Mount Sidney is a CDP located in Augusta County, Virginia. Mount Sidney has a 2025 population of 952. Mount Sidney is currently growing at a rate of 2.15% annually and its population has increased by 57.1% since the most recent census, which recorded a population of 606 in 2020.
The average household income in Mount Sidney is $89,096 with a poverty rate of 6.39%. The median age in Mount Sidney is 45 years: 44 years for males, and 45.9 years for females.