Zip Code | City | Population |
|---|---|---|
| 26101 | Parkersburg | 28,751 |
| 26104 | Parkersburg | 16,011 |
| 26105 | Vienna | 12,332 |
| 26181 | Washington | 6,658 |
| 26150 | Mineral Wells | 5,945 |
| 26187 | Williamstown | 5,894 |
| 26184 | Waverly | 2,471 |
| 26142 | Davisville | 2,335 |
| 26180 | Walker | 1,993 |
| 26133 | Belleville | 1,263 |
| 26169 | Rockport | 837 |