Waltham, Massachusetts
Waltham is a city in Middlesex County, Massachusetts, with an estimated population of 64,477 in 2023. It sits at 42.3889, -71.2423 in the America/New_York time zone.
| Field | Value |
|---|---|
| Place name | Waltham |
| Type | city |
| State | Massachusetts (MA) |
| County | Middlesex County |
| Population (2023 est.) | 64,477 |
| Land area | 12.74 sq mi (33.01 km²) |
| Coordinates | 42.3889, -71.2423 |
| Time zone | America/New_York |
| ZIP codes | 02451, 02452, 02453, 02454 |
| Telephone area codes | 339, 781 |
ZIP codes and area codes for Waltham
Waltham covers 4 ZIP codes: 02451, 02452, 02453, 02454. Telephone area codes serving the area: 339, 781. Browse all ZIP codes in Massachusetts for the full list.
Where is Waltham?
Waltham is located in Massachusetts, in Middlesex County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Watertown Town 6 km · MANewton 7 km · MACambridge 10 km · MAMedford 12 km · MASomerville 12 km · MAWoburn 13 km · MAEverett 16 km · MAMalden 16 km · MA
Other places in Middlesex County
Cambridge 118,214Lowell 114,296Newton 88,415Somerville 80,407Framingham 71,875Malden 65,133Medford 58,744Everett 50,318Woburn 41,647Marlborough 41,179
Frequently asked questions
What county is Waltham, MA in?
Waltham is in Middlesex County, Massachusetts.
What is the population of Waltham, MA?
The 2023 Census Bureau estimate is 64,477.
What time zone is Waltham in?
Waltham is in the America/New_York time zone.