Derby city, Connecticut
Official LSAD Designation: Derby city • Census GEOID: 0919480
• Naugatuck Valley Planning Region
Derby city is an incorporated city in Naugatuck Valley Planning Region County, Connecticut. According to official records from the Census (2025), Derby city had an estimated population of 12,925 residents. Official Census Bureau geographic records classify this community under LSAD designation Derby city (GEOID 0919480).
Local Government Administration U.S. Census Bureau GMAF
City Of Derby
Municipal
Official Title:
Town/city Clerk
Address:
1 ELIZABETH ST, DERBY CT 06418-1801
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 12,925 | 2025 |
| Median Household Income | $79,500 | 2020-2024 |
| Median Home Value | $256,700 | 2020-2024 |
| Land Area | 5.06 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).