16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pratt | 1 | 6,516 | 6,590 | -0.23% | 845 | 7.71 | City |
| Township 12 | 2 | 894 | 901 | 0% | 7 | 123.63 | Township |
| Township 6 | 3 | 475 | 474 | 0.21% | 3 | 147.25 | Township |
| Township 11 | 4 | 399 | 401 | 0.25% | 4 | 108.72 | Township |
| Township 7 | 5 | 279 | 281 | 0% | 5 | 52.42 | Township |
| Township 9 | 6 | 275 | 276 | 0.36% | 2 | 146.68 | Township |
| Iuka | 7 | 150 | 152 | 0% | 228 | 0.66 | City |
| Preston | 8 | 118 | 117 | 0% | 271 | 0.43 | City |
| Township 10 | 9 | 111 | 111 | 0% | 2 | 72.43 | Township |
| Township 8 | 10 | 109 | 109 | 0% | 1 | 76.20 | Township |
| Sawyer | 11 | 89 | 89 | 0% | 494 | 0.18 | City |
| Cullison | 12 | 83 | 83 | 0% | 480 | 0.17 | City |
| Coats | 13 | 68 | 68 | 0% | 300 | 0.23 | City |
| Seward | 14 | 44 | 46 | 0% | 171 | 0.26 | City |
| Langdon | 15 | 40 | 40 | 0% | 404 | 0.10 | City |
| Byers | 16 | 37 | 37 | 0% | 219 | 0.17 | City |
Pratt is the largest city in Pratt County, with a population of 6,516.
Byers is the smallest city in Pratt County.
There are 16 cities in Pratt County, Kansas.