Wilmington city, Delaware
Official LSAD Designation: Wilmington city • Census GEOID: 1077580
• New Castle County
Wilmington city is an incorporated city in New Castle County, Delaware. According to official records from the Census (2025), Wilmington city had an estimated population of 73,512 residents. Official Census Bureau geographic records classify this community under LSAD designation Wilmington city (GEOID 1077580).
Local Government Administration U.S. Census Bureau GMAF
City Of Wilmington
Municipal
Official Title:
Mayor
Address:
800 N FRENCH ST, FL 1, WILMINGTON DE 19801-3537
County Of New Castle
County
Official Title:
Hr Administrator
Address:
87 READS WAY, NEW CASTLE DE 19720-1610
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 73,512 | 2025 |
| Median Household Income | $58,671 | 2020-2024 |
| Median Home Value | $231,400 | 2020-2024 |
| Land Area | 10.90 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).