Gahanna city, Ohio
Official LSAD Designation: Gahanna city • Census GEOID: 3929106
• Franklin County
Gahanna city is an incorporated city in Franklin County, Ohio. According to official records from the Census (2025), Gahanna city had an estimated population of 35,986 residents. Official Census Bureau geographic records classify this community under LSAD designation Gahanna city (GEOID 3929106).
Local Government Administration U.S. Census Bureau GMAF
City Of Gahanna
Municipal
Official Title:
Mayor
Address:
200 S HAMILTON RD, GAHANNA OH 43230-2996
County Of Franklin
County
Official Title:
Sr Policy Analyst
Address:
373 S HIGH ST, FL 26, COLUMBUS OH 43215-6314
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 35,986 | 2025 |
| Median Household Income | $109,061 | 2020-2024 |
| Median Home Value | $350,900 | 2020-2024 |
| Land Area | 12.43 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).