| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Russell | 1 | 4,274 | 4,387 | -0.28% | 880 | 5 | City |
| Gorham | 2 | 382 | 378 | 0.26% | 1,598 | 0 | City |
| Lucas | 3 | 336 | 334 | 0.3% | 553 | 1 | City |
| Luray | 4 | 159 | 163 | -0.63% | 479 | 0 | City |
| Dorrance | 5 | 141 | 145 | -0.7% | 416 | 0 | City |
| Bunker Hill | 6 | 108 | 106 | 0% | 78 | 1 | City |
| Paradise | 7 | 35 | 34 | 0% | 142 | 0 | City |
| Waldo | 8 | 32 | 32 | 0% | 85 | 0 | City |
Russell is the largest city in Russell County, with a population of 4,274.
Waldo is the smallest city in Russell County, with a population of 32.
There are 8 cities in Russell County, Kansas.