Westerville city, Ohio
Official LSAD Designation: Westerville city • Census GEOID: 3983342
• Delaware County / Franklin County
Westerville city is an incorporated city in Delaware County, Franklin County, Ohio. According to official records from the Census (2025), Westerville city had an estimated population of 38,165 residents. Official Census Bureau geographic records classify this community under LSAD designation Westerville city (GEOID 3983342).
Local Government Administration U.S. Census Bureau GMAF
City Of Westerville
Municipal
Official Title:
Mayor
Address:
21 S STATE ST, WESTERVILLE OH 43081-2128
County Of Delaware
County
Official Title:
Payroll Fiscal Services
Address:
140 N SANDUSKY ST, DELAWARE OH 43015
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 38,165 | 2025 |
| Median Household Income | $109,404 | 2020-2024 |
| Median Home Value | $374,500 | 2020-2024 |
| Land Area | 12.60 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).