| Place Name | Westerville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 68881 |
| County | Custer County |
| Area Code(s) | 308 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 83 |
| Population Growth Rate (2010-19) | -20.51% |
| Majority Ethnicity | White 100% |
| US Congressional District(s) | Nebraska 3rd |
| State Legislature Districts | 36 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |