Rock island, Washington ZIP Codes
1 ZIP codes | Population: 2,032
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 98850 | 2,032 | $83,125 | $374,700 | 37.10 |
1 ZIP codes | Population: 2,032
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 98850 | 2,032 | $83,125 | $374,700 | 37.10 |