| Place Name | Hillsdale |
| Place Type | Town |
| ZIP Code(s) | 73703 |
| County | Garfield County |
| Area Code(s) | 580 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 103 |
| Population Growth Rate (2010-19) | -38.02% |
| Majority Ethnicity | White 100% |
| Metro/Micro Stats Area | Enid, OK |
| US Congressional District(s) | Oklahoma 3rd |
| State House Districts | 41 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |