| Place Name | Delaware |
| Place Type | Town |
| ZIP Code(s) | 74027 |
| County | Nowata County |
| Area Code(s) | 539,918 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 353 |
| Population Growth Rate (2010-19) | -35.97% |
| Majority Ethnicity | White 75.25% |
| US Congressional District(s) | Oklahoma 2nd |
| State House Districts | 10 |
| State Senate Districts | 29 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 75.25% |
| African American | 0% |
| Hispanic | 20% |
| Asian | 0% |
| Native American | 2.03% |
| Hawaiin/Pacific Islander | 2.71% |