7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Coldwater township | 1 | 848 | 902 | -2.42% | 2 | 424.22 | Township |
| Coldwater | 2 | 667 | 681 | -0.45% | 260 | 2.56 | City |
| Protection township | 3 | 612 | 646 | -1.92% | 4 | 173.03 | Township |
| Protection | 4 | 481 | 495 | -0.62% | 519 | 0.93 | City |
| Powell township | 5 | 66 | 66 | 0% | 1 | 71.82 | Township |
| Avilla township | 6 | 59 | 64 | -3.28% | 0.00 | 119.22 | Township |
| Wilmore | 7 | 37 | 37 | 0% | 209 | 0.18 | City |
Coldwater township is the largest city in Comanche County, with a population of 848.
Wilmore is the smallest city in Comanche County.
There are 7 cities in Comanche County, Kansas.