| Place Name | Mount Plymouth |
| Place Type | Census Designated Place |
| ZIP Code(s) | 32776 |
| County | Lake County |
| Area Code(s) | 352 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 3,821 |
| Population Growth Rate (2010-19) | 10.12% |
| Majority Ethnicity | White 71.56% |
| Metro/Micro Stats Area | Orlando-Kissimmee-Sanford, FL |
| US Congressional District(s) | Florida 6th |
| State House Districts | 31 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 71.56% |
| African American | 3.28% |
| Hispanic | 0% |
| Asian | 0.1% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 25.06% |