Watertown city, Massachusetts
Official LSAD Designation: Watertown city • Census GEOID: 2573405
• Middlesex County
Watertown city is an incorporated city in Middlesex County, Massachusetts. According to official records from the Census (2025), Watertown city had an estimated population of 35,710 residents. Official Census Bureau geographic records classify this community under LSAD designation Watertown city (GEOID 2573405).
Local Government Administration U.S. Census Bureau GMAF
City Of Watertown
Municipal
Official Title:
Town Clerk
Address:
149 MAIN ST, WATERTOWN MA 02472-4423
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 35,710 | 2025 |
| Median Household Income | $126,265 | 2020-2024 |
| Median Home Value | $784,600 | 2020-2024 |
| Land Area | 4.00 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).