| Place Name | Seneca Gardens |
| Place Type | City |
| ZIP Code(s) | 40205 |
| County | Jefferson County |
| Area Code(s) | 502 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 603 |
| Population Growth Rate (2010-19) | -3.16% |
| Majority Ethnicity | White 94.52% |
| Metro/Micro Stats Area | Louisville/Jefferson County, KY-IN |
| US Congressional District(s) | Kentucky 3rd |
| State House Districts | 34 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.52% |
| African American | 0.44% |
| Hispanic | 0.3% |
| Asian | 1.19% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.56% |