19 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salina | 1 | 45,090 | 46,844 | -0.77% | 1,723 | 26.17 | City |
| Gypsum township | 2 | 10,764 | 10,042 | 1.94% | 311 | 34.66 | Township |
| Elm Creek township | 3 | 852 | 867 | -0.23% | 24 | 35.40 | Township |
| Smoky View township | 4 | 829 | 841 | -0.24% | 23 | 36.04 | Township |
| Smolan township | 5 | 662 | 680 | -0.6% | 21 | 31.68 | Township |
| Assaria | 6 | 420 | 427 | -0.24% | 1,795 | 0.23 | City |
| Spring Creek township | 7 | 407 | 422 | -0.49% | 6 | 71.78 | Township |
| Ohio township | 8 | 398 | 410 | -0.75% | 11 | 36.23 | Township |
| Cambria township | 9 | 388 | 395 | -0.26% | 11 | 35.78 | Township |
| Gypsum | 10 | 384 | 403 | -1.03% | 1,027 | 0.37 | City |
| Pleasant Valley township | 11 | 370 | 374 | -0.27% | 10 | 36.07 | Township |
| Falun township | 12 | 251 | 254 | 0% | 3 | 71.95 | Township |
| Smoky Hill township | 13 | 246 | 249 | 0% | 11 | 22.40 | Township |
| Brookville | 14 | 230 | 245 | -1.29% | 400 | 0.57 | City |
| Falun | 15 | 178 | 57 | 7.23% | 161 | 1.11 | CDP |
| Gypsum township | 16 | 167 | 174 | -1.18% | 5 | 35.95 | Township |
| Dayton township | 17 | 117 | 116 | 0.86% | 3 | 35.43 | Township |
| New Cambria | 18 | 106 | 105 | 0% | 596 | 0.18 | City |
| Glendale township | 19 | 92 | 88 | 2.22% | 3 | 36.03 | Township |
Salina is the largest city in Saline County, with a population of 45,090.
Glendale township is the smallest city in Saline County.
There are 19 cities in Saline County, Kansas.