| Place Name | Vandalia |
| Place Type | City |
| ZIP Code(s) | 45377 |
| County | Montgomery County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 15,194 |
| Population Growth Rate (2010-19) | -0.24% |
| Majority Ethnicity | White 90.67% |
| Metro/Micro Stats Area | Dayton-Kettering, OH |
| US Congressional District(s) | Ohio 10th |
| State House Districts | 40 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.67% |
| African American | 6.32% |
| Hispanic | 0.2% |
| Asian | 1.48% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.33% |