| Place Name | Harlan |
| Place Type | Census Designated Place |
| ZIP Code(s) | 46743 |
| County | Allen County |
| Area Code(s) | 260 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,661 |
| Population Growth Rate (2010-19) | -3.49% |
| Majority Ethnicity | White 98.97% |
| Metro/Micro Stats Area | Fort Wayne, IN |
| US Congressional District(s) | Indiana 3rd |
| State House Districts | 85 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.97% |
| African American | 0% |
| Hispanic | 0.52% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.52% |