| Place Name | Mount Sidney |
| Place Type | Census Designated Place |
| ZIP Code(s) | 24467 |
| County | Augusta County |
| Area Code(s) | 540 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 553 |
| Population Growth Rate (2010-19) | 2.26% |
| Majority Ethnicity | White 90.52% |
| Metro/Micro Stats Area | Staunton, VA |
| US Congressional District(s) | Virginia 6th |
| House of Delegates Districts | 25 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.52% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 3.02% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.45% |