16 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pratt | 1 | 6,587 | 6,587 | 0% | 854 | 8 | City |
| Township 12 | 2 | 908 | 903 | 0.33% | 7 | 124 | Township |
| Township 6 | 3 | 473 | 473 | 0% | 3 | 147 | Township |
| Township 11 | 4 | 404 | 401 | 0.25% | 4 | 109 | Township |
| Township 7 | 5 | 281 | 280 | 0.36% | 5 | 52 | Township |
| Township 9 | 6 | 279 | 276 | 0.72% | 2 | 147 | Township |
| Iuka | 7 | 152 | 151 | 0% | 231 | 1 | City |
| Preston | 8 | 118 | 117 | 0% | 271 | 0 | City |
| Township 10 | 9 | 110 | 110 | 0% | 2 | 72 | Township |
| Township 8 | 10 | 109 | 109 | 0% | 1 | 76 | Township |
| Sawyer | 11 | 89 | 89 | 0% | 494 | 0 | City |
| Cullison | 12 | 84 | 84 | 0% | 486 | 0 | City |
| Coats | 13 | 67 | 67 | 0% | 295 | 0 | City |
| Langdon | 14 | 45 | 42 | 2.27% | 455 | 0 | City |
| Seward | 15 | 40 | 42 | 0% | 156 | 0 | City |
| Byers | 16 | 37 | 37 | 0% | 219 | 0 | City |
Pratt is the largest city in Pratt County, with a population of 6,587.
Byers is the smallest city in Pratt County, with a population of 37.
There are 16 cities in Pratt County, Kansas.