| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Coldwater | 1 | 678 | 683 | -0.15% | 265 | 3 | City |
| Protection | 2 | 491 | 492 | -0.2% | 530 | 1 | City |
| Wilmore | 3 | 32 | 35 | -3.03% | 181 | 0 | City |
Coldwater is the largest city in Comanche County, with a population of 678.
Wilmore is the smallest city in Comanche County, with a population of 32.
There are 3 cities in Comanche County, Kansas.