| Place Name | Lake Lakengren |
| Place Type | Census Designated Place |
| ZIP Code(s) | 45311 45320 |
| County | Preble County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 3,458 |
| Population Growth Rate (2010-19) | 0.12% |
| Majority Ethnicity | White 98.93% |
| US Congressional District(s) | Ohio 8th |
| State House Districts | 43 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.93% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.07% |