25 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Yakima | 1 | 96,541 | 97,063 | -0.11% | 3,465 | 27.86 | City |
| Sunnyside | 2 | 16,174 | 16,398 | -0.28% | 2,142 | 7.55 | City |
| Grandview | 3 | 11,269 | 10,968 | 0.54% | 1,662 | 6.78 | City |
| Selah | 4 | 8,841 | 8,165 | 1.55% | 1,927 | 4.59 | City |
| Toppenish | 5 | 8,534 | 8,824 | -0.68% | 3,927 | 2.17 | City |
| Moxee | 6 | 5,115 | 4,394 | 2.9% | 2,159 | 2.37 | City |
| Wapato | 7 | 4,414 | 4,594 | -0.81% | 3,818 | 1.16 | City |
| Granger | 8 | 3,742 | 3,636 | 0.56% | 2,166 | 1.73 | City |
| Gleed | 9 | 3,312 | 3,006 | 0.82% | 613 | 5.41 | CDP |
| Ahtanum | 10 | 3,291 | 3,701 | -0.63% | 414 | 7.95 | CDP |
| Zillah | 11 | 3,088 | 3,172 | -0.55% | 1,696 | 1.82 | City |
| Summitview | 12 | 2,332 | 1,892 | 4.06% | 528 | 4.42 | CDP |
| Mabton | 13 | 1,935 | 1,955 | -0.21% | 2,295 | 0.84 | City |
| Tieton | 14 | 1,805 | 1,387 | 4.88% | 2,089 | 0.86 | City |
| Naches | 15 | 1,080 | 1,080 | 0% | 1,240 | 0.87 | Town |
| Harrah | 16 | 562 | 581 | -0.71% | 2,059 | 0.27 | Town |
| White Swan | 17 | 503 | 793 | -3.64% | 189 | 2.67 | CDP |
| Tampico | 18 | 491 | 286 | 2.51% | 119 | 4.13 | CDP |
| Cowiche | 19 | 449 | 662 | 0.22% | 541 | 0.83 | CDP |
| Buena | 20 | 431 | 845 | -7.91% | 496 | 0.87 | CDP |
| Outlook | 21 | 352 | 158 | 1.15% | 2,708 | 0.13 | CDP |
| Eschbach | 22 | 158 | 307 | -9.71% | 134 | 1.18 | CDP |
| Nile | 23 | 109 | 90 | -1.8% | 119 | 0.92 | CDP |
| Parker | 24 | 74 | 49 | -6.33% | 627 | 0.12 | CDP |
| Cliffdell | 25 | 50 | 136 | -7.41% | 27 | 1.84 | CDP |
Yakima is the largest city in Yakima County, with a population of 96,541.
Cliffdell is the smallest city in Yakima County.
There are 25 cities in Yakima County, Washington.