| Place Name | Hollis |
| Place Type | City |
| ZIP Code(s) | 73550 |
| County | Harmon County |
| Area Code(s) | 580 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,242 |
| Population Growth Rate (2010-19) | -12.86% |
| Majority Ethnicity | White 52.54% |
| US Congressional District(s) | Oklahoma 3rd |
| State House Districts | 52 |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 52.54% |
| African American | 8.39% |
| Hispanic | 3.21% |
| Asian | 0.53% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 35.33% |