8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Burlington | 1 | 2,578 | 2,632 | -0.35% | 1,145 | 2 | City |
| Lebo | 2 | 887 | 887 | 0% | 927 | 1 | City |
| Waverly | 3 | 567 | 576 | -0.18% | 775 | 1 | City |
| LeRoy | 4 | 444 | 449 | -0.22% | 539 | 1 | City |
| New Strawn | 5 | 417 | 423 | -0.24% | 526 | 1 | City |
| Gridley | 6 | 312 | 315 | 0% | 729 | 0 | City |
| Neosho Falls | 7 | 140 | 133 | 0.72% | 276 | 1 | City |
| Olivet | 8 | 75 | 72 | 1.35% | 298 | 0 | City |
Burlington is the largest city in Coffey County, with a population of 2,578.
Olivet is the smallest city in Coffey County, with a population of 75.
There are 8 cities in Coffey County, Kansas.