Newcastle Utah Profile
| Place Name | Newcastle |
| Place Type | Census Designated Place |
| ZIP Code(s) | 84714 |
| County | Iron County |
| Area Code(s) | 435 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 271 |
| Population Growth Rate (2010-19) | 33.60% |
| Majority Ethnicity | White 100% |
| Metro/Micro Stats Area | Cedar City, UT |
| US Congressional District(s) | Utah 2nd |
| State House Districts | 72 |
| State Senate Districts | 28 |
Newcastle Race/Ethnicity Data
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |