| Place Name | Flat Rock |
| Place Type | City |
| ZIP Code(s) | 48134 |
| County | Wayne County |
| Area Code(s) | 734 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 9,773 |
| Population Growth Rate (2010-19) | 6.71% |
| Majority Ethnicity | White 81.11% |
| Metro/Micro Stats Area | Detroit-Warren-Dearborn, MI |
| US Congressional District(s) | Michigan 12th |
| State House Districts | 17 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.11% |
| African American | 9.92% |
| Hispanic | 0.29% |
| Asian | 0.08% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.6% |