Waltham, MA ZIP codes
Waltham, Massachusetts has 4 ZIP codes, including 1 PO Box ZIP. They are in Middlesex County.
- Population in these ZIPs
- 64,792
- Avg. median income
- $118,000population-weighted
- Typical home value
- $808,200population-weighted
- Metro area
- Boston-Cambridge-Newton, MA-NH
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Waltham, MA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 02451 | Middlesex County | 17,393 | $122,335 | $794,500 |
| 02452 | Middlesex County | 15,808 | $118,431 | $849,300 |
| 02453 | Middlesex County | 31,591 | $115,366 | $795,100 |
| 02454 PO Box | Middlesex County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Waltham
- West Newton 2 mi
- Auburndale 2 mi
- Newtonville 3 mi
- Watertown 3 mi
- Belmont 3 mi
- Newton 3 mi
- Newton Lower Falls 3 mi
- Weston 3 mi
- Waban 4 mi
- Arlington 5 mi
- Newton Highlands 5 mi
- Lincoln 5 mi
Frequently asked questions
What county is Waltham, Massachusetts in?
Waltham ZIP codes are in Middlesex County.
Which Waltham ZIP codes are PO Boxes?
02454 is a PO Box or single-organization ZIP code; it has no residential delivery area.