Helena, Montana ZIP Codes
- ZIP records
4 - Sum of listed ZIP population estimates
63,145 - Counties represented
1 - Population range
663–31,728 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 | 59601 | Helena | Lewis and Clark | 31,728 |
| 2 | 59602 | Helena | Lewis and Clark | 30,754 |
| 3 | 59625 | Helena | Lewis and Clark | 663 |
Counties represented
All ZIP Codes in Helena
- ZIP 59601 — Lewis and Clark County
- ZIP 59602 — Lewis and Clark County
- ZIP 59623 — Lewis and Clark County
- ZIP 59625 — Lewis and Clark County
Browse all ZIP data for Montana
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.