Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Yakima (city), WA | 96,968 |
| 2 | Terrace Heights (CDP), WA | 9,244 |
| 3 | Toppenish (city), WA | 8,854 |
| 4 | Selah (city), WA | 8,153 |
| 5 | Union Gap (city), WA | 6,568 |
| 6 | Wapato (city), WA | 4,607 |
| 7 | Moxee (city), WA | 4,326 |
| 8 | Ahtanum (CDP), WA | 4,046 |
| 9 | Granger (city), WA | 3,624 |
| 10 | Zillah (city), WA | 3,179 |
| 11 | Gleed (CDP), WA | 2,873 |
| 12 | Summitview (CDP), WA | 2,066 |
| 13 | Tieton (city), WA | 1,389 |
| 14 | Naches (town), WA | 1,084 |
| 15 | Buena (CDP), WA | 1,048 |
| 16 | Harrah (town), WA | 585 |
| 17 | Cowiche (CDP), WA | 535 |
| 18 | Eschbach (CDP), WA | 441 |
| 19 | Outlook (CDP), WA | 317 |
| 20 | Donald (CDP), WA | 172 |