| Place Name | Allen |
| Place Type | Village |
| ZIP Code(s) | 49227 |
| County | Hillsdale County |
| Area Code(s) | 517 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 143 |
| Population Growth Rate (2010-19) | 5.24% |
| Majority Ethnicity | White 95.41% |
| Metro/Micro Stats Area | Hillsdale, MI |
| US Congressional District(s) | Michigan 7th |
| State House Districts | 58 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.41% |
| African American | 1.38% |
| Hispanic | 0% |
| Asian | 0.46% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.75% |