Wilmington city, Ohio
Official LSAD Designation: Wilmington city • Census GEOID: 3985792
• Clinton County
Wilmington city is an incorporated city in Clinton County, Ohio. According to official records from the Census (2025), Wilmington city had an estimated population of 12,802 residents. Official Census Bureau geographic records classify this community under LSAD designation Wilmington city (GEOID 3985792).
Local Government Administration U.S. Census Bureau GMAF
City Of Wilmington
Municipal
Official Title:
Deputy Auditor
Address:
69 N SOUTH ST, WILMINGTON OH 45177-2211
County Of Clinton
County
Official Title:
County Administrator
Address:
46 SOUTH ST, WILMINGTON OH 45177
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 12,802 | 2025 |
| Median Household Income | $57,199 | 2020-2024 |
| Median Home Value | $174,400 | 2020-2024 |
| Land Area | 12.94 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).