There are 20 zip codes in Whitman County, Washington. The most populated is 99163, located in Pullman. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 99163 | 33,829 | Pullman |
| 99111 | 4,012 | Colfax |
| 99161 | 1,366 | Palouse |
| 99171 | 969 | Saint John |
| 99170 | 955 | Rosalia |
| 99130 | 833 | Garfield |
| 99033 | 790 | Tekoa |
| 99143 | 691 | Lacrosse |
| 99125 | 626 | Endicott |
| 99158 | 619 | Oakesdale |
| 99179 | 568 | Uniontown |
| 99113 | 555 | Colton |
| 99102 | 509 | Albion |
| 99128 | 289 | Farmington |
| 99017 | 226 | Lamont |
| 99149 | 194 | Malden |
| 99176 | 136 | Thornton |
| 99333 | 91 | Hooper |
| 99174 | 32 | Steptoe |
| 99136 | 17 | Hay |