| Place Name | St. Dennis |
| Place Type | Unincorporated |
| ZIP Code(s) | 40216 |
| County | Jefferson County |
| Area Code(s) | 502 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Louisville/Jefferson County, KY-IN |
| US Congressional District(s) | Kentucky 3rd |
| State House Districts | 44 |
| State Senate Districts | 33 |