32 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pratt | 1 | 6,587 | 6,596 | 0% | 854 | 8 | City |
| Pratt | 2 | 6,587 | 6,587 | 0% | 854 | 8 | City |
| Township 12 | 3 | 905 | 904 | 0.33% | 7 | 124 | Township |
| Township 12 | 4 | 905 | 903 | 0.33% | 7 | 124 | Township |
| Township 6 | 5 | 473 | 473 | 0% | 3 | 147 | Township |
| Township 6 | 6 | 473 | 473 | 0% | 3 | 147 | Township |
| Township 11 | 7 | 403 | 401 | 0.25% | 4 | 109 | Township |
| Township 11 | 8 | 403 | 401 | 0.25% | 4 | 109 | Township |
| Township 7 | 9 | 280 | 280 | 0.36% | 5 | 52 | Township |
| Township 7 | 10 | 280 | 280 | 0.36% | 5 | 52 | Township |
| Township 9 | 11 | 277 | 276 | 0.73% | 2 | 147 | Township |
| Township 9 | 12 | 277 | 276 | 0.73% | 2 | 147 | Township |
| Iuka | 13 | 152 | 151 | 0% | 231 | 1 | City |
| Iuka | 14 | 152 | 151 | 0% | 231 | 1 | City |
| Preston | 15 | 118 | 117 | 0% | 271 | 0 | City |
| Preston | 16 | 118 | 117 | 0% | 271 | 0 | City |
| Township 10 | 17 | 110 | 110 | 0% | 2 | 72 | Township |
| Township 10 | 18 | 110 | 110 | 0% | 2 | 72 | Township |
| Township 8 | 19 | 109 | 109 | 0% | 1 | 76 | Township |
| Township 8 | 20 | 109 | 109 | 0% | 1 | 76 | Township |
| Sawyer | 21 | 89 | 89 | 0% | 494 | 0 | City |
| Sawyer | 22 | 89 | 89 | 0% | 494 | 0 | City |
| Cullison | 23 | 84 | 84 | 0% | 486 | 0 | City |
| Cullison | 24 | 84 | 84 | 0% | 486 | 0 | City |
| Coats | 25 | 67 | 67 | 0% | 295 | 0 | City |
| Coats | 26 | 67 | 67 | 0% | 295 | 0 | City |
| Langdon | 27 | 44 | 42 | 0% | 444 | 0 | City |
| Langdon | 28 | 44 | 42 | 0% | 444 | 0 | City |
| Seward | 29 | 40 | 42 | -2.44% | 156 | 0 | City |
| Seward | 30 | 40 | 42 | -2.44% | 156 | 0 | City |
| Byers | 31 | 37 | 37 | 0% | 219 | 0 | City |
| Byers | 32 | 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 32 cities in Pratt County, Kansas.