14 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kenneth | 1 | 1,354 | 1,398 | -0.51% | 38 | 36 | Township |
| Hoxie | 2 | 1,164 | 1,200 | -0.51% | 1,353 | 1 | City |
| Sheridan | 3 | 259 | 264 | 0% | 5 | 53 | Township |
| Selden | 4 | 179 | 185 | -0.56% | 591 | 0 | City |
| Parnell | 5 | 107 | 108 | -0.93% | 2 | 71 | Township |
| Valley | 6 | 100 | 106 | -0.99% | 1 | 72 | Township |
| Springbrook | 7 | 81 | 82 | 0% | 1 | 108 | Township |
| West Saline | 8 | 54 | 55 | 0% | 1 | 72 | Township |
| East Saline | 9 | 45 | 46 | 0% | 1 | 72 | Township |
| Prairie Dog | 10 | 40 | 43 | -2.44% | 1 | 36 | Township |
| Bloomfield | 11 | 39 | 42 | -2.5% | 1 | 36 | Township |
| Bowcreek | 12 | 23 | 23 | 0% | 0.00 | 72 | Township |
| Union | 13 | 23 | 23 | 0% | 1 | 36 | Township |
| Adell | 14 | 13 | 13 | 0% | 0.00 | 54 | Township |
Kenneth is the largest city in Sheridan County, with a population of 1,354.
Adell is the smallest city in Sheridan County, with a population of 13.
There are 14 cities in Sheridan County, Kansas.