17 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Township 11 | 1 | 1,993 | 2,068 | -0.5% | 19 | 108 | Township |
| Plainville | 2 | 1,670 | 1,739 | -0.65% | 1,396 | 1 | City |
| Stockton | 3 | 1,413 | 1,473 | -0.7% | 854 | 2 | City |
| Township 3 | 4 | 1,316 | 1,365 | -0.53% | 19 | 71 | Township |
| Township 2 | 5 | 346 | 367 | -1.14% | 3 | 107 | Township |
| Township 8 | 6 | 255 | 268 | -0.78% | 7 | 36 | Township |
| Palco | 7 | 198 | 209 | -1% | 739 | 0 | City |
| Township 1 | 8 | 162 | 167 | 0% | 2 | 107 | Township |
| Township 7 | 9 | 147 | 154 | -0.68% | 4 | 35 | Township |
| Township 10 | 10 | 144 | 151 | -0.69% | 2 | 72 | Township |
| Township 12 | 11 | 116 | 127 | -2.52% | 1 | 107 | Township |
| Damar | 12 | 105 | 111 | -0.94% | 550 | 0 | City |
| Woodston | 13 | 87 | 92 | -1.14% | 407 | 0 | City |
| Township 6 | 14 | 80 | 82 | 0% | 1 | 69 | Township |
| Township 5 | 15 | 63 | 65 | 0% | 1 | 107 | Township |
| Township 9 | 16 | 40 | 41 | 0% | 1 | 36 | Township |
| Township 4 | 17 | 30 | 31 | 0% | 1 | 36 | Township |
Township 11 is the largest city in Rooks County, with a population of 1,993.
Township 4 is the smallest city in Rooks County, with a population of 30.
There are 17 cities in Rooks County, Kansas.