| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Greensburg | 1 | 737 | 729 | -0.27% | 412 | 2 | City |
| Haviland | 2 | 658 | 673 | -0.45% | 1,337 | 0 | City |
| Mullinville | 3 | 194 | 199 | -0.51% | 303 | 1 | City |
Greensburg is the largest city in Kiowa County, with a population of 737.
Mullinville is the smallest city in Kiowa County, with a population of 194.
There are 3 cities in Kiowa County, Kansas.