Somersworth city, New Hampshire
Official LSAD Designation: Somersworth city • Census GEOID: 3369940
• Strafford County
Somersworth city is an incorporated city in Strafford County, New Hampshire. According to official records from the Census (2025), Somersworth city had an estimated population of 12,171 residents. Official Census Bureau geographic records classify this community under LSAD designation Somersworth city (GEOID 3369940).
Local Government Administration U.S. Census Bureau GMAF
City Of Somersworth
Municipal
Official Title:
City Manager
Address:
1 GOVERNMENT WAY, SOMERSWORTH NH 03878-3192
County Of Strafford
County
Official Title:
Finance Director
Address:
259 COUNTY FARM RD, STE 204, DOVER NH 03820-6040
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 12,171 | 2025 |
| Median Household Income | $74,504 | 2020-2024 |
| Median Home Value | $318,400 | 2020-2024 |
| Land Area | 9.80 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).