San Juan County, Washington ZIP Codes
- ZIP records
9 - Cities represented
9 - Sum of listed ZIP population estimates
18,275
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 98250 | Friday Harbor | 9,254 |
| 2 | 98245 | Eastsound | 4,265 |
| 3 | 98261 | Lopez Island | 2,984 |
| 4 | 98279 | Olga | 680 |
| 5 | 98280 | Orcas | 442 |
| 6 | 98243 | Deer Harbor | 327 |
| 7 | 98286 | Shaw Island | 155 |
| 8 | 98222 | Blakely Island | 121 |
| 9 | 98297 | Waldron | 47 |
Cities in San Juan County
ZIP Directory
Browse all ZIP data for Washington
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.