| Place Name | Gahanna |
| Place Type | City |
| ZIP Code(s) | 43004 43054 43213 43219 43230 |
| County | Franklin County |
| Area Code(s) | 380,614 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 33,352 |
| Population Growth Rate (2010-19) | 7.45% |
| Majority Ethnicity | White 79.62% |
| Metro/Micro Stats Area | Columbus, OH |
| US Congressional District(s) | Ohio 3rdOhio 12th |
| State House Districts | 19 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 79.62% |
| African American | 13.59% |
| Hispanic | 0.06% |
| Asian | 3.7% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 2.99% |