| Place Name | Spring Mill |
| Place Type | City |
| ZIP Code(s) | 40228 |
| County | Jefferson County |
| Area Code(s) | 502 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 331 |
| Population Growth Rate (2010-19) | 2.44% |
| Majority Ethnicity | White 91.9% |
| Metro/Micro Stats Area | Louisville/Jefferson County, KY-IN |
| US Congressional District(s) | Kentucky 3rd |
| State House Districts | 46 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.9% |
| African American | 5.92% |
| Hispanic | 0% |
| Asian | 0.31% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.87% |