14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kenneth | 1 | 1,361 | 1,394 | -0.66% | 38 | 35.75 | Township |
| Hoxie | 2 | 1,188 | 1,212 | -0.42% | 1,381 | 0.86 | City |
| Sheridan | 3 | 259 | 265 | -0.38% | 5 | 53.46 | Township |
| Selden | 4 | 180 | 187 | -0.55% | 594 | 0.30 | City |
| Valley | 5 | 108 | 111 | -0.92% | 2 | 71.72 | Township |
| Parnell | 6 | 106 | 106 | -0.93% | 1 | 71.30 | Township |
| Springbrook | 7 | 79 | 79 | 0% | 1 | 107.61 | Township |
| West Saline | 8 | 58 | 58 | 0% | 1 | 71.65 | Township |
| East Saline | 9 | 45 | 45 | 0% | 1 | 71.74 | Township |
| Bloomfield | 10 | 39 | 39 | 0% | 1 | 36 | Township |
| Prairie Dog | 11 | 39 | 39 | 0% | 1 | 35.84 | Township |
| Bowcreek | 12 | 30 | 30 | 0% | 0.00 | 71.84 | Township |
| Union | 13 | 24 | 24 | 0% | 1 | 35.70 | Township |
| Adell | 14 | 6 | 6 | 0% | 0.00 | 53.99 | Township |
Kenneth is the largest city in Sheridan County, with a population of 1,361.
Adell is the smallest city in Sheridan County, with a population of 6.
There are 14 cities in Sheridan County, Kansas.