Klamath Falls, Oregon ZIP Codes
- ZIP records
2 - Sum of listed ZIP population estimates
56,186 - Counties represented
1 - Population range
22,964–33,222 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 | 97603 | Klamath Falls | Klamath | 33,222 |
| 2 | 97601 | Klamath Falls | Klamath | 22,964 |
Counties represented
All ZIP Codes in Klamath Falls
Browse all ZIP data for Oregon
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.