| Place Name | Newcastle |
| Place Type | City |
| ZIP Code(s) | 73065 |
| County | Mcclain County |
| Area Code(s) | 405 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 7,740 |
| Population Growth Rate (2010-19) | 42.93% |
| Majority Ethnicity | White 88.4% |
| Metro/Micro Stats Area | Oklahoma City, OK |
| US Congressional District(s) | Oklahoma 4th |
| State House Districts | 20,51 |
| State Senate Districts | 43 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.4% |
| African American | 1.23% |
| Hispanic | 4.8% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.57% |