| Place Name | Westerville |
| Place Type | City |
| ZIP Code(s) | 43081 43082 |
| County | Franklin County Delaware County |
| Area Code(s) | 380,614 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 36,415 |
| Population Growth Rate (2010-19) | 8.50% |
| Majority Ethnicity | White 89.38% |
| Metro/Micro Stats Area | Columbus, OH |
| US Congressional District(s) | Ohio 12th |
| State House Districts | 19,68 |
| State Senate Districts | 3,19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.38% |
| African American | 6.28% |
| Hispanic | 0.09% |
| Asian | 2.49% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 1.72% |