| Place Name | Old Green |
| Place Type | Census Designated Place |
| ZIP Code(s) | 74965 |
| County | Adair County |
| Area Code(s) | 539,918 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 168 |
| Population Growth Rate (2010-19) | -1.59% |
| Majority Ethnicity | White 79.37% |
| US Congressional District(s) | Oklahoma 2nd |
| State House Districts | 86 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 79.37% |
| African American | 0% |
| Hispanic | 20.63% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |