18 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salina | 1 | 45,743 | 46,841 | -0.4% | 1,748 | 26 | City |
| Gypsum | 2 | 10,656 | 10,036 | 1.39% | 307 | 35 | Township |
| Elm Creek | 3 | 864 | 868 | 0.12% | 24 | 35 | Township |
| Smoky View | 4 | 833 | 840 | -0.12% | 23 | 36 | Township |
| Smolan | 5 | 667 | 678 | -0.15% | 21 | 32 | Township |
| Assaria | 6 | 423 | 426 | 0% | 1,808 | 0 | City |
| Spring Creek | 7 | 416 | 422 | 0.24% | 6 | 72 | Township |
| Ohio | 8 | 413 | 411 | 0.49% | 11 | 36 | Township |
| Cambria | 9 | 397 | 395 | 0.25% | 11 | 36 | Township |
| Gypsum | 10 | 389 | 404 | -0.51% | 1,040 | 0 | City |
| Pleasant Valley | 11 | 376 | 374 | 0% | 10 | 36 | Township |
| Falun | 12 | 251 | 251 | 0% | 3 | 72 | Township |
| Smoky Hill | 13 | 247 | 251 | 0% | 11 | 22 | Township |
| Brookville | 14 | 232 | 241 | -0.43% | 403 | 1 | City |
| Gypsum | 15 | 172 | 174 | 0% | 5 | 36 | Township |
| Dayton | 16 | 112 | 115 | -0.88% | 3 | 35 | Township |
| New Cambria | 17 | 109 | 105 | 0.93% | 612 | 0 | City |
| Glendale | 18 | 89 | 89 | 0% | 2 | 36 | Township |
Salina is the largest city in Saline County, with a population of 45,743.
Glendale is the smallest city in Saline County, with a population of 89.
There are 18 cities in Saline County, Kansas.