Waltham city, Massachusetts
Official LSAD Designation: Waltham city • Census GEOID: 2572600
• Middlesex County
Waltham city is an incorporated city in Middlesex County, Massachusetts. According to official records from the Census (2025), Waltham city had an estimated population of 65,037 residents. Official Census Bureau geographic records classify this community under LSAD designation Waltham city (GEOID 2572600).
Local Government Administration U.S. Census Bureau GMAF
City Of Waltham
Municipal
Official Title:
Mayor
Address:
610 MAIN ST, WALTHAM MA 02452-5580
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 65,037 | 2025 |
| Median Household Income | $120,216 | 2020-2024 |
| Median Home Value | $748,700 | 2020-2024 |
| Land Area | 12.74 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).