Waltham, Massachusetts ZIP Codes

ZIP records
3
Sum of listed ZIP population estimates
64,792
Counties represented
1
Population range
15,808–31,591 per ZIP

Population sum includes positive estimates in these ZIP records; it is not an official city population.

Top ZIP Codes by Population

Rank	ZIP Code	City	County	Population estimate
1	02453	Waltham	Middlesex	31,591
2	02451	Waltham	Middlesex	17,393
3	02452	Waltham	Middlesex	15,808

Counties represented

Middlesex County

All ZIP Codes in Waltham

ZIP 02451 — Middlesex County
ZIP 02452 — Middlesex County
ZIP 02453 — Middlesex County

Browse all ZIP data for Massachusetts

Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.