Watertown, Massachusetts ZIP Codes
- ZIP records
1 - Sum of listed ZIP population estimates
35,620 - Counties represented
1 - Population range
35,620–35,620 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 | 02472 | Watertown | Middlesex | 35,620 |
Counties represented
All ZIP Codes in Watertown
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.