| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parsons | 1 | 9,249 | 9,586 | -0.71% | 870 | 11 | City |
| Oswego | 2 | 1,612 | 1,654 | -0.56% | 670 | 2 | City |
| Altamont | 3 | 1,047 | 1,076 | -0.57% | 617 | 2 | City |
| Chetopa | 4 | 901 | 931 | -0.66% | 661 | 1 | City |
| Edna | 5 | 379 | 389 | -0.52% | 962 | 0 | City |
| Mound Valley | 6 | 345 | 348 | -0.29% | 537 | 1 | City |
| Bartlett | 7 | 67 | 70 | -1.47% | 504 | 0 | City |
Parsons is the largest city in Labette County, with a population of 9,249.
Bartlett is the smallest city in Labette County, with a population of 67.
There are 7 cities in Labette County, Kansas.